diff --git a/Example/bin/Debug/example.exe b/Example/bin/Debug/example.exe
index 928c33c0..96fd9a04 100755
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diff --git a/Example/bin/Debug/websocket-sharp.dll b/Example/bin/Debug/websocket-sharp.dll
index 8c1a6d70..800d3ceb 100755
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diff --git a/Example/bin/Debug_Ubuntu/example.exe b/Example/bin/Debug_Ubuntu/example.exe
index f96ac1dd..0945a899 100755
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diff --git a/Example/bin/Debug_Ubuntu/websocket-sharp.dll b/Example/bin/Debug_Ubuntu/websocket-sharp.dll
index 0f292a36..8e14ee3f 100755
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diff --git a/Example/bin/Release/example.exe b/Example/bin/Release/example.exe
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diff --git a/Example/bin/Release/websocket-sharp.dll b/Example/bin/Release/websocket-sharp.dll
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diff --git a/Example/bin/Release_Ubuntu/example.exe b/Example/bin/Release_Ubuntu/example.exe
index 0b062170..7b40b4c7 100755
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diff --git a/Example/bin/Release_Ubuntu/websocket-sharp.dll b/Example/bin/Release_Ubuntu/websocket-sharp.dll
index bc20f551..68b9ca92 100755
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diff --git a/Example1/bin/Debug/example1.exe b/Example1/bin/Debug/example1.exe
index fb367dd6..bb44cf3f 100755
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diff --git a/Example1/bin/Debug/websocket-sharp.dll b/Example1/bin/Debug/websocket-sharp.dll
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diff --git a/Example1/bin/Debug_Ubuntu/example1.exe b/Example1/bin/Debug_Ubuntu/example1.exe
index c053187c..07aae19a 100755
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diff --git a/Example1/bin/Debug_Ubuntu/websocket-sharp.dll b/Example1/bin/Debug_Ubuntu/websocket-sharp.dll
index 0f292a36..8e14ee3f 100755
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diff --git a/Example1/bin/Release/example1.exe b/Example1/bin/Release/example1.exe
index ab89d680..8db347aa 100755
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diff --git a/Example1/bin/Release/websocket-sharp.dll b/Example1/bin/Release/websocket-sharp.dll
index 98fb2755..1324645a 100755
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diff --git a/Example1/bin/Release_Ubuntu/example1.exe b/Example1/bin/Release_Ubuntu/example1.exe
index 302c2d66..11d89835 100755
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diff --git a/Example1/bin/Release_Ubuntu/websocket-sharp.dll b/Example1/bin/Release_Ubuntu/websocket-sharp.dll
index bc20f551..68b9ca92 100755
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diff --git a/Example2/bin/Debug/example2.exe b/Example2/bin/Debug/example2.exe
index 209f9e2f..bfd139f3 100755
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diff --git a/Example2/bin/Debug/websocket-sharp.dll b/Example2/bin/Debug/websocket-sharp.dll
index 8c1a6d70..800d3ceb 100755
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diff --git a/Example2/bin/Debug_Ubuntu/example2.exe b/Example2/bin/Debug_Ubuntu/example2.exe
index 108d9f61..6fa987bd 100755
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diff --git a/Example2/bin/Debug_Ubuntu/websocket-sharp.dll b/Example2/bin/Debug_Ubuntu/websocket-sharp.dll
index 0f292a36..8e14ee3f 100755
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diff --git a/Example2/bin/Release/example2.exe b/Example2/bin/Release/example2.exe
index 7213d771..2617b28d 100755
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diff --git a/Example2/bin/Release/websocket-sharp.dll b/Example2/bin/Release/websocket-sharp.dll
index 98fb2755..1324645a 100755
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diff --git a/Example2/bin/Release_Ubuntu/example2.exe b/Example2/bin/Release_Ubuntu/example2.exe
index 1ba06775..7d4cfa0e 100755
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diff --git a/Example2/bin/Release_Ubuntu/websocket-sharp.dll b/Example2/bin/Release_Ubuntu/websocket-sharp.dll
index bc20f551..68b9ca92 100755
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diff --git a/Example3/bin/Debug/Example3.exe b/Example3/bin/Debug/Example3.exe
index e3dbae18..0d65df06 100755
Binary files a/Example3/bin/Debug/Example3.exe and b/Example3/bin/Debug/Example3.exe differ
diff --git a/Example3/bin/Debug/websocket-sharp.dll b/Example3/bin/Debug/websocket-sharp.dll
index 8c1a6d70..800d3ceb 100755
Binary files a/Example3/bin/Debug/websocket-sharp.dll and b/Example3/bin/Debug/websocket-sharp.dll differ
diff --git a/Example3/bin/Debug_Ubuntu/Example3.exe b/Example3/bin/Debug_Ubuntu/Example3.exe
index 87c51f32..8b63c2b1 100755
Binary files a/Example3/bin/Debug_Ubuntu/Example3.exe and b/Example3/bin/Debug_Ubuntu/Example3.exe differ
diff --git a/Example3/bin/Debug_Ubuntu/websocket-sharp.dll b/Example3/bin/Debug_Ubuntu/websocket-sharp.dll
index 0f292a36..8e14ee3f 100755
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diff --git a/Example3/bin/Release/Example3.exe b/Example3/bin/Release/Example3.exe
index 8046a341..d788ea96 100755
Binary files a/Example3/bin/Release/Example3.exe and b/Example3/bin/Release/Example3.exe differ
diff --git a/Example3/bin/Release/websocket-sharp.dll b/Example3/bin/Release/websocket-sharp.dll
index 98fb2755..1324645a 100755
Binary files a/Example3/bin/Release/websocket-sharp.dll and b/Example3/bin/Release/websocket-sharp.dll differ
diff --git a/Example3/bin/Release_Ubuntu/Example3.exe b/Example3/bin/Release_Ubuntu/Example3.exe
index c0f40492..6b08de79 100755
Binary files a/Example3/bin/Release_Ubuntu/Example3.exe and b/Example3/bin/Release_Ubuntu/Example3.exe differ
diff --git a/Example3/bin/Release_Ubuntu/websocket-sharp.dll b/Example3/bin/Release_Ubuntu/websocket-sharp.dll
index bc20f551..68b9ca92 100755
Binary files a/Example3/bin/Release_Ubuntu/websocket-sharp.dll and b/Example3/bin/Release_Ubuntu/websocket-sharp.dll differ
diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 2eca2696..1c99cd10 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -73,8 +73,9 @@ namespace WebSocketSharp {
     private WebSocketContext  _context;
     private string            _extensions;
     private AutoResetEvent    _exitReceiving;
-    private Object            _forClose;
-    private Object            _forSend;
+    private object            _forClose;
+    private object            _forFrame;
+    private object            _forSend;
     private string            _origin;
     private string            _protocol;
     private string            _protocols;
@@ -94,8 +95,9 @@ namespace WebSocketSharp {
       _compression = CompressionMethod.NONE;
       _cookies = new CookieCollection();
       _extensions = String.Empty;
-      _forClose = new Object();
-      _forSend = new Object();
+      _forClose = new object();
+      _forFrame = new object();
+      _forSend = new object();
       _origin = String.Empty;
       _protocol = String.Empty;
       _readyState = WsState.CONNECTING;
@@ -426,8 +428,7 @@ namespace WebSocketSharp {
       lock(_forClose)
       {
         // Whether the closing handshake has been started already?
-        if (_readyState == WsState.CLOSING ||
-            _readyState == WsState.CLOSED)
+        if (_readyState == WsState.CLOSING || _readyState == WsState.CLOSED)
           return;
 
         // Whether the closing handshake on server is started before the connection has been established?
@@ -1169,15 +1170,24 @@ namespace WebSocketSharp {
 
     private bool send(WsFrame frame)
     {
-      if (_readyState == WsState.CONNECTING || _readyState == WsState.CLOSED)
+      lock (_forFrame)
       {
-        onError("The WebSocket connection isn't established or has been closed.");
-        return false;
-      }
+        var ready = _wsStream == null
+                    ? false
+                    : _readyState == WsState.OPEN
+                      ? true
+                      : _readyState == WsState.CLOSING
+                        ? frame.IsClose
+                        : false;
+
+        if (!ready)
+        {
+          onError("The WebSocket connection isn't established or has been closed.");
+          return false;
+        }
 
-      return _wsStream != null
-             ? _wsStream.Write(frame)
-             : false;
+        return _wsStream.Write(frame);
+      }
     }
 
     private void send(Opcode opcode, Stream stream)
diff --git a/websocket-sharp/bin/Debug/websocket-sharp.dll b/websocket-sharp/bin/Debug/websocket-sharp.dll
index 8c1a6d70..800d3ceb 100755
Binary files a/websocket-sharp/bin/Debug/websocket-sharp.dll and b/websocket-sharp/bin/Debug/websocket-sharp.dll differ
diff --git a/websocket-sharp/bin/Debug_Ubuntu/websocket-sharp.dll b/websocket-sharp/bin/Debug_Ubuntu/websocket-sharp.dll
index 0f292a36..8e14ee3f 100755
Binary files a/websocket-sharp/bin/Debug_Ubuntu/websocket-sharp.dll and b/websocket-sharp/bin/Debug_Ubuntu/websocket-sharp.dll differ
diff --git a/websocket-sharp/bin/Release/websocket-sharp.dll b/websocket-sharp/bin/Release/websocket-sharp.dll
index 98fb2755..1324645a 100755
Binary files a/websocket-sharp/bin/Release/websocket-sharp.dll and b/websocket-sharp/bin/Release/websocket-sharp.dll differ
diff --git a/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.dll b/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.dll
index bc20f551..68b9ca92 100755
Binary files a/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.dll and b/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.dll differ
diff --git a/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.xml b/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.xml
index ac79eaa0..5e544832 100644
--- a/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.xml
+++ b/websocket-sharp/bin/Release_Ubuntu/websocket-sharp.xml
@@ -58,6 +58,41 @@
             An array of <see cref="T:System.Char" /> that contains characters to find.
             </param>
         </member>
+        <member name="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String)">
+            <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified <paramref name="name" />.
+            </summary>
+            <returns>
+                <c>true</c> if <paramref name="collection" /> contains the entry with <paramref name="name" />;
+            otherwise, <c>false</c>.
+            </returns>
+            <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+            <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+        </member>
+        <member name="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String)">
+            <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified both <paramref name="name" /> and <paramref name="value" />.
+            </summary>
+            <returns>
+                <c>true</c> if <paramref name="collection" /> contains the entry with both <paramref name="name" /> and <paramref name="value" />;
+            otherwise, <c>false</c>.
+            </returns>
+            <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+            <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+            <param name="value">
+            A <see cref="T:System.String" /> that contains the value of the entry to find.
+            </param>
+        </member>
         <member name="M:WebSocketSharp.Ext.Emit(System.EventHandler,System.Object,System.EventArgs)">
             <summary>
             Emit the specified <see cref="T:System.EventHandler" /> delegate if is not <see langword="null" />.
@@ -110,37 +145,6 @@
             Is thrown when the <paramref name="value" /> parameter passed to a method is invalid because it is outside the allowable range of values as <see cref="T:System.Byte" />.
             </exception>
         </member>
-        <member name="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String)">
-            <summary>
-            Determines whether the entry with the specified key exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-            <returns>
-                <c>true</c> if the entry with the <paramref name="name" /> exists in the <paramref name="collection" />; otherwise, <c>false</c>.
-            </returns>
-            <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-            <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-        </member>
-        <member name="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String)">
-            <summary>
-            Determines whether the entry with the specified both key and value exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-            <returns>
-                <c>true</c> if the entry with the both <paramref name="name" /> and <paramref name="value" /> exists in the <paramref name="collection" />; otherwise, <c>false</c>.
-            </returns>
-            <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-            <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-            <param name="value">
-            A <see cref="T:System.String" /> that contains the value of the entry to find.
-            </param>
-        </member>
         <member name="M:WebSocketSharp.Ext.GetAbsolutePath(System.Uri)">
             <summary>
             Gets the absolute path from the specified <see cref="T:System.Uri" />.
@@ -558,31 +562,31 @@
             Converts the specified array of <see cref="T:System.Byte" /> to the specified type data.
             </summary>
             <returns>
-            A T converted from the <paramref name="src" />, or a default value of T
-            if the <paramref name="src" /> is an empty array of <see cref="T:System.Byte" />
-            or if the types of T aren't the <see cref="T:System.Boolean" />, <see cref="T:System.Char" />, <see cref="T:System.Double" />,
+            A T converted from <paramref name="src" />, or a default value of T
+            if <paramref name="src" /> is an empty array of <see cref="T:System.Byte" />
+            or if the type of T isn't <see cref="T:System.Boolean" />, <see cref="T:System.Char" />, <see cref="T:System.Double" />,
             <see cref="T:System.Single" />, <see cref="T:System.Int32" />, <see cref="T:System.Int64" />, <see cref="T:System.Int16" />,
-            <see cref="T:System.UInt32" />, <see cref="T:System.UInt64" />, <see cref="T:System.UInt16" />.
+            <see cref="T:System.UInt32" />, <see cref="T:System.UInt64" /> or <see cref="T:System.UInt16" />.
             </returns>
             <param name="src">
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
             <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
             <typeparam name="T">
-            The type of the return value. The T must be a value type.
+            The type of the return. The T must be a value type.
             </typeparam>
             <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="src" /> parameter passed to a method is invalid because it is <see langword="null" />.
+                <paramref name="src" /> is <see langword="null" />.
             </exception>
         </member>
         <member name="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder)">
             <summary>
-            Converts the specified data to an array of <see cref="T:System.Byte" />.
+            Converts the specified <paramref name="value" /> to an array of <see cref="T:System.Byte" />.
             </summary>
             <returns>
-            An array of <see cref="T:System.Byte" /> converted from the <paramref name="value" />.
+            An array of <see cref="T:System.Byte" /> converted from <paramref name="value" />.
             </returns>
             <param name="value">
             A T to convert.
@@ -591,7 +595,7 @@
             A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the return.
             </param>
             <typeparam name="T">
-            The type of the <paramref name="value" />. The T must be a value type.
+            The type of <paramref name="value" />. The T must be a value type.
             </typeparam>
         </member>
         <member name="M:WebSocketSharp.Ext.ToHostOrder(System.Byte[],WebSocketSharp.ByteOrder)">
@@ -599,26 +603,26 @@
             Converts the order of the specified array of <see cref="T:System.Byte" /> to the host byte order.
             </summary>
             <returns>
-            An array of <see cref="T:System.Byte" /> converted from the <paramref name="src" />.
+            An array of <see cref="T:System.Byte" /> converted from <paramref name="src" />.
             </returns>
             <param name="src">
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
             <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
             <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="src" /> parameter passed to a method is invalid because it is <see langword="null" />.
+                <paramref name="src" /> is <see langword="null" />.
             </exception>
         </member>
         <member name="M:WebSocketSharp.Ext.ToString``1(``0[],System.String)">
             <summary>
-            Converts the specified array to a <see cref="T:System.String" /> concatenated the specified separator string
-            between each element of this array.
+            Converts the specified <paramref name="array" /> to a <see cref="T:System.String" /> that concatenates
+            the each element of <paramref name="array" /> across the specified <paramref name="separator" />.
             </summary>
             <returns>
-            A <see cref="T:System.String" /> converted from the <paramref name="array" /> parameter, or a <see cref="F:System.String.Empty" />
-            if the length of the <paramref name="array" /> is zero.
+            A <see cref="T:System.String" /> converted from <paramref name="array" />, or a <see cref="F:System.String.Empty" />
+            if the length of <paramref name="array" /> is zero.
             </returns>
             <param name="array">
             An array of T to convert.
@@ -627,10 +631,10 @@
             A <see cref="T:System.String" /> that contains a separator string.
             </param>
             <typeparam name="T">
-            The type of elements in the <paramref name="array" />.
+            The type of elements in <paramref name="array" />.
             </typeparam>
             <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="array" /> parameter passed to a method is invalid because it is <see langword="null" />.
+                <paramref name="array" /> is <see langword="null" />.
             </exception>
         </member>
         <member name="M:WebSocketSharp.Ext.ToUri(System.String)">
@@ -943,7 +947,7 @@
             Gets a value indicating whether the WebSocket connection is alive.
             </summary>
             <value>
-                <c>true</c> if the connection is alive; otherwise, <c>false</c>.
+                <c>true</c> if the WebSocket connection is alive; otherwise, <c>false</c>.
             </value>
         </member>
         <member name="P:WebSocketSharp.WebSocket.IsSecure">
@@ -1065,21 +1069,21 @@
         </member>
         <member name="M:WebSocketSharp.WebSocket.Ping">
             <summary>
-            Pings using the WebSocket connection.
+            Sends a Ping using the WebSocket connection.
             </summary>
             <returns>
-                <c>true</c> if the <see cref="T:WebSocketSharp.WebSocket" /> receives a Pong in a time; otherwise, <c>false</c>.
+                <c>true</c> if a <see cref="T:WebSocketSharp.WebSocket" /> instance receives a Pong in a time; otherwise, <c>false</c>.
             </returns>
         </member>
         <member name="M:WebSocketSharp.WebSocket.Ping(System.String)">
             <summary>
-            Pings with the specified <paramref name="message" /> using the WebSocket connection.
+            Sends a Ping with the specified <paramref name="message" /> using the WebSocket connection.
             </summary>
             <param name="message">
-            A <see cref="T:System.String" /> that contains a message.
+            A <see cref="T:System.String" /> that contains a message to send with a Ping.
             </param>
             <returns>
-                <c>true</c> if the <see cref="T:WebSocketSharp.WebSocket" /> receives a Pong in a time; otherwise, <c>false</c>.
+                <c>true</c> if a <see cref="T:WebSocketSharp.WebSocket" /> instance receives a Pong in a time; otherwise, <c>false</c>.
             </returns>
         </member>
         <member name="M:WebSocketSharp.WebSocket.Send(System.Byte[])">
diff --git a/websocket-sharp/doc/html/WebSocketSharp/Ext.html b/websocket-sharp/doc/html/WebSocketSharp/Ext.html
index 9167bd04..11637cc3 100644
--- a/websocket-sharp/doc/html/WebSocketSharp/Ext.html
+++ b/websocket-sharp/doc/html/WebSocketSharp/Ext.html
@@ -259,10 +259,10 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.Contains(System.String,System.Char[])">Contains</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>, <b>params</b> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>[])<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> contains any of characters
-            in the specified array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>.
+                    <a href="#M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String)">Contains</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> contains the entry
+            with the specified <i>name</i>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -271,9 +271,10 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.Emit(System.EventHandler,System.Object,System.EventArgs)">Emit</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler">EventHandler</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Object">object</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventArgs">EventArgs</a>)<blockquote>
-            Emit the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler">EventHandler</a> delegate if is not <tt>null</tt>.
+                    <a href="#M:WebSocketSharp.Ext.Contains(System.String,System.Char[])">Contains</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>, <b>params</b> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>[])<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> contains any of characters
+            in the specified array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -282,9 +283,10 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.Emit``1(System.EventHandler{``0},System.Object,``0)">Emit&lt;TEventArgs&gt;</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler`1">EventHandler&lt;TEventArgs&gt;</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Object">object</a>, <i title="&#xA;            The type of the event data generated by the event.&#xA;            ">TEventArgs</i>)<blockquote>
-            Emit the specified EventHandler&lt;TEventArgs&gt; delegate if is not <tt>null</tt>.
+                    <a href="#M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String)">Contains</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> contains the entry
+            with the specified both <i>name</i> and <i>value</i>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -293,10 +295,9 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.EqualsAndSaveTo(System.Int32,System.Char,System.Collections.Generic.List{System.Byte})">EqualsAndSaveTo</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Generic.List`1">List&lt;byte&gt;</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a> equals the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a> as <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
-            And save this specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a> as <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> to the specified List&lt;byte&gt;.
+                    <a href="#M:WebSocketSharp.Ext.Emit(System.EventHandler,System.Object,System.EventArgs)">Emit</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler">EventHandler</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Object">object</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventArgs">EventArgs</a>)<blockquote>
+            Emit the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler">EventHandler</a> delegate if is not <tt>null</tt>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -305,9 +306,9 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String)">Exists</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the entry with the specified key exists in the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>.
+                    <a href="#M:WebSocketSharp.Ext.Emit``1(System.EventHandler{``0},System.Object,``0)">Emit&lt;TEventArgs&gt;</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.EventHandler`1">EventHandler&lt;TEventArgs&gt;</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Object">object</a>, <i title="&#xA;            The type of the event data generated by the event.&#xA;            ">TEventArgs</i>)<blockquote>
+            Emit the specified EventHandler&lt;TEventArgs&gt; delegate if is not <tt>null</tt>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -316,9 +317,10 @@
                 </td>
                 <td colspan="2">
                   <b>
-                    <a href="#M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String)">Exists</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the entry with the specified both key and value exists in the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>.
+                    <a href="#M:WebSocketSharp.Ext.EqualsAndSaveTo(System.Int32,System.Char,System.Collections.Generic.List{System.Byte})">EqualsAndSaveTo</a>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Generic.List`1">List&lt;byte&gt;</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a> equals the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a> as <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
+            And save this specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a> as <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> to the specified List&lt;byte&gt;.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -662,7 +664,7 @@
                 <td colspan="2">
                   <b>
                     <a href="#M:WebSocketSharp.Ext.To``1(System.Byte[],WebSocketSharp.ByteOrder)">To&lt;T&gt;</a>
-                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[], <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a>)<nobr> : <i title="&#xA;            The type of the return value. The T must be a value type.&#xA;            ">T</i></nobr><blockquote>
+                  </b>(<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[], <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a>)<nobr> : <i title="&#xA;            The type of the return. The T must be a value type.&#xA;            ">T</i></nobr><blockquote>
             Converts the specified array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> to the specified type data.
             </blockquote></td>
               </tr>
@@ -673,8 +675,8 @@
                 <td colspan="2">
                   <b>
                     <a href="#M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder)">ToByteArray&lt;T&gt;</a>
-                  </b>(<i>this</i> <i title="&#xA;            The type of the . The T must be a value type.&#xA;            ">T</i>, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[]</nobr><blockquote>
-            Converts the specified data to an array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
+                  </b>(<i>this</i> <i title="&#xA;            The type of . The T must be a value type.&#xA;            ">T</i>, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[]</nobr><blockquote>
+            Converts the specified <i>value</i> to an array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -695,9 +697,9 @@
                 <td colspan="2">
                   <b>
                     <a href="#M:WebSocketSharp.Ext.ToString``1(``0[],System.String)">ToString&lt;T&gt;</a>
-                  </b>(<i>this</i> <i title="&#xA;            The type of elements in the .&#xA;            ">T</i>[], <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a></nobr><blockquote>
-            Converts the specified array to a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> concatenated the specified separator string
-            between each element of this array.
+                  </b>(<i>this</i> <i title="&#xA;            The type of elements in .&#xA;            ">T</i>[], <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a></nobr><blockquote>
+            Converts the specified <i>array</i> to a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that concatenates
+            the each element of <i>array</i> across the specified <i>separator</i>.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -873,6 +875,45 @@
             <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
           <hr size="1" />
         </blockquote>
+        <h3 id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String)">Contains Method</h3>
+        <blockquote id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String):member">
+          <p class="Summary">
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> contains the entry
+            with the specified <i>name</i>.
+            </p>
+          <h2>Syntax</h2>
+          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Contains</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> collection, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> name)</div>
+          <h4 class="Subsection">Parameters</h4>
+          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String):Parameters">
+            <dl>
+              <dt>
+                <i>collection</i>
+              </dt>
+              <dd>
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> that contains the entries.
+            </dd>
+              <dt>
+                <i>name</i>
+              </dt>
+              <dd>
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the key of the entry to find.
+            </dd>
+            </dl>
+          </blockquote>
+          <h4 class="Subsection">Returns</h4>
+          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String):Returns">
+            <tt>true</tt> if <i>collection</i> contains the entry with <i>name</i>;
+            otherwise, <tt>false</tt>.
+            </blockquote>
+          <h2 class="Section">Remarks</h2>
+          <div class="SectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String):Remarks">
+            <span class="NotEntered">Documentation for this section has not yet been entered.</span>
+          </div>
+          <h2 class="Section">Requirements</h2>
+          <div class="SectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String):Version Information">
+            <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
+          <hr size="1" />
+        </blockquote>
         <h3 id="M:WebSocketSharp.Ext.Contains(System.String,System.Char[])">Contains Method</h3>
         <blockquote id="M:WebSocketSharp.Ext.Contains(System.String,System.Char[]):member">
           <p class="Summary">
@@ -911,6 +952,51 @@
             <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
           <hr size="1" />
         </blockquote>
+        <h3 id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String)">Contains Method</h3>
+        <blockquote id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String):member">
+          <p class="Summary">
+            Determines whether the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> contains the entry
+            with the specified both <i>name</i> and <i>value</i>.
+            </p>
+          <h2>Syntax</h2>
+          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Contains</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> collection, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> name, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> value)</div>
+          <h4 class="Subsection">Parameters</h4>
+          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String):Parameters">
+            <dl>
+              <dt>
+                <i>collection</i>
+              </dt>
+              <dd>
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> that contains the entries.
+            </dd>
+              <dt>
+                <i>name</i>
+              </dt>
+              <dd>
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the key of the entry to find.
+            </dd>
+              <dt>
+                <i>value</i>
+              </dt>
+              <dd>
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the value of the entry to find.
+            </dd>
+            </dl>
+          </blockquote>
+          <h4 class="Subsection">Returns</h4>
+          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String):Returns">
+            <tt>true</tt> if <i>collection</i> contains the entry with both <i>name</i> and <i>value</i>;
+            otherwise, <tt>false</tt>.
+            </blockquote>
+          <h2 class="Section">Remarks</h2>
+          <div class="SectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String):Remarks">
+            <span class="NotEntered">Documentation for this section has not yet been entered.</span>
+          </div>
+          <h2 class="Section">Requirements</h2>
+          <div class="SectionBox" id="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String):Version Information">
+            <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
+          <hr size="1" />
+        </blockquote>
         <h3 id="M:WebSocketSharp.Ext.Emit(System.EventHandler,System.Object,System.EventArgs)">Emit Method</h3>
         <blockquote id="M:WebSocketSharp.Ext.Emit(System.EventHandler,System.Object,System.EventArgs):member">
           <p class="Summary">
@@ -1061,86 +1147,6 @@
             <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
           <hr size="1" />
         </blockquote>
-        <h3 id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String)">Exists Method</h3>
-        <blockquote id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String):member">
-          <p class="Summary">
-            Determines whether the entry with the specified key exists in the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>.
-            </p>
-          <h2>Syntax</h2>
-          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Exists</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> collection, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> name)</div>
-          <h4 class="Subsection">Parameters</h4>
-          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String):Parameters">
-            <dl>
-              <dt>
-                <i>collection</i>
-              </dt>
-              <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> that contains the entries.
-            </dd>
-              <dt>
-                <i>name</i>
-              </dt>
-              <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the key of the entry to find.
-            </dd>
-            </dl>
-          </blockquote>
-          <h4 class="Subsection">Returns</h4>
-          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String):Returns">
-            <tt>true</tt> if the entry with the <i>name</i> exists in the <i>collection</i>; otherwise, <tt>false</tt>.
-            </blockquote>
-          <h2 class="Section">Remarks</h2>
-          <div class="SectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String):Remarks">
-            <span class="NotEntered">Documentation for this section has not yet been entered.</span>
-          </div>
-          <h2 class="Section">Requirements</h2>
-          <div class="SectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String):Version Information">
-            <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
-          <hr size="1" />
-        </blockquote>
-        <h3 id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String)">Exists Method</h3>
-        <blockquote id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String):member">
-          <p class="Summary">
-            Determines whether the entry with the specified both key and value exists in the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a>.
-            </p>
-          <h2>Syntax</h2>
-          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Exists</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> collection, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> name, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> value)</div>
-          <h4 class="Subsection">Parameters</h4>
-          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String):Parameters">
-            <dl>
-              <dt>
-                <i>collection</i>
-              </dt>
-              <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Collections.Specialized.NameValueCollection">System.Collections.Specialized.NameValueCollection</a> that contains the entries.
-            </dd>
-              <dt>
-                <i>name</i>
-              </dt>
-              <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the key of the entry to find.
-            </dd>
-              <dt>
-                <i>value</i>
-              </dt>
-              <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains the value of the entry to find.
-            </dd>
-            </dl>
-          </blockquote>
-          <h4 class="Subsection">Returns</h4>
-          <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String):Returns">
-            <tt>true</tt> if the entry with the both <i>name</i> and <i>value</i> exists in the <i>collection</i>; otherwise, <tt>false</tt>.
-            </blockquote>
-          <h2 class="Section">Remarks</h2>
-          <div class="SectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String):Remarks">
-            <span class="NotEntered">Documentation for this section has not yet been entered.</span>
-          </div>
-          <h2 class="Section">Requirements</h2>
-          <div class="SectionBox" id="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String):Version Information">
-            <b>Namespace: </b>WebSocketSharp<br /><b>Assembly: </b>websocket-sharp (in websocket-sharp.dll)</div>
-          <hr size="1" />
-        </blockquote>
         <h3 id="M:WebSocketSharp.Ext.GetAbsolutePath(System.Uri)">GetAbsolutePath Method</h3>
         <blockquote id="M:WebSocketSharp.Ext.GetAbsolutePath(System.Uri):member">
           <p class="Summary">
@@ -2258,7 +2264,7 @@
             Converts the specified array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> to the specified type data.
             </p>
           <h2>Syntax</h2>
-          <div class="Signature">public static <i title="&#xA;            The type of the return value. The T must be a value type.&#xA;            ">T</i> <b>To&lt;T&gt;</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[] src, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a> srcOrder)<br /> where T : struct</div>
+          <div class="Signature">public static <i title="&#xA;            The type of the return. The T must be a value type.&#xA;            ">T</i> <b>To&lt;T&gt;</b> (<i>this</i> <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[] src, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a> srcOrder)<br /> where T : struct</div>
           <h4 class="Subsection">Type Parameters</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.To``1(System.Byte[],WebSocketSharp.ByteOrder):Type Parameters">
             <dl>
@@ -2266,7 +2272,7 @@
                 <i>T</i>
               </dt>
               <dd>
-            The type of the return value. The T must be a value type.
+            The type of the return. The T must be a value type.
             </dd>
             </dl>
           </blockquote>
@@ -2283,17 +2289,17 @@
                 <i>srcOrder</i>
               </dt>
               <dd>
-            A <a href="../WebSocketSharp/ByteOrder.html">WebSocketSharp.ByteOrder</a> that indicates the byte order of the <i>src</i>.
+            A <a href="../WebSocketSharp/ByteOrder.html">WebSocketSharp.ByteOrder</a> that indicates the byte order of <i>src</i>.
             </dd>
             </dl>
           </blockquote>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.To``1(System.Byte[],WebSocketSharp.ByteOrder):Returns">
-            A T converted from the <i>src</i>, or a default value of T
-            if the <i>src</i> is an empty array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>
-            or if the types of T aren't the <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Double">double</a>,
+            A T converted from <i>src</i>, or a default value of T
+            if <i>src</i> is an empty array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>
+            or if the type of T isn't <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Char">char</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Double">double</a>,
             <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Single">float</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int32">int</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int64">long</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Int16">short</a>,
-            <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt32">uint</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt64">ulong</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt16">ushort</a>.
+            <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt32">uint</a>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt64">ulong</a> or <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.UInt16">ushort</a>.
             </blockquote>
           <h4 class="Subsection">Exceptions</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.To``1(System.Byte[],WebSocketSharp.ByteOrder):Exceptions">
@@ -2307,7 +2313,7 @@
                   <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.ArgumentNullException">ArgumentNullException</a>
                 </td>
                 <td>
-            Is thrown when the <i>src</i> parameter passed to a method is invalid because it is <tt>null</tt>.
+                  <i>src</i> is <tt>null</tt>.
             </td>
               </tr>
             </table>
@@ -2324,10 +2330,10 @@
         <h3 id="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder)">ToByteArray&lt;T&gt; Generic Method</h3>
         <blockquote id="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder):member">
           <p class="Summary">
-            Converts the specified data to an array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
+            Converts the specified <i>value</i> to an array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>.
             </p>
           <h2>Syntax</h2>
-          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[] <b>ToByteArray&lt;T&gt;</b> (<i>this</i> <i title="&#xA;            The type of the . The T must be a value type.&#xA;            ">T</i> value, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a> order)<br /> where T : struct</div>
+          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a>[] <b>ToByteArray&lt;T&gt;</b> (<i>this</i> <i title="&#xA;            The type of . The T must be a value type.&#xA;            ">T</i> value, <a href="../WebSocketSharp/ByteOrder.html">ByteOrder</a> order)<br /> where T : struct</div>
           <h4 class="Subsection">Type Parameters</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder):Type Parameters">
             <dl>
@@ -2335,7 +2341,7 @@
                 <i>T</i>
               </dt>
               <dd>
-            The type of the <i>value</i>. The T must be a value type.
+            The type of <i>value</i>. The T must be a value type.
             </dd>
             </dl>
           </blockquote>
@@ -2358,7 +2364,7 @@
           </blockquote>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder):Returns">
-            An array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> converted from the <i>value</i>.
+            An array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> converted from <i>value</i>.
             </blockquote>
           <h2 class="Section">Remarks</h2>
           <div class="SectionBox" id="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder):Remarks">
@@ -2389,13 +2395,13 @@
                 <i>srcOrder</i>
               </dt>
               <dd>
-            A <a href="../WebSocketSharp/ByteOrder.html">WebSocketSharp.ByteOrder</a> that indicates the byte order of the <i>src</i>.
+            A <a href="../WebSocketSharp/ByteOrder.html">WebSocketSharp.ByteOrder</a> that indicates the byte order of <i>src</i>.
             </dd>
             </dl>
           </blockquote>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToHostOrder(System.Byte[],WebSocketSharp.ByteOrder):Returns">
-            An array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> converted from the <i>src</i>.
+            An array of <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Byte">byte</a> converted from <i>src</i>.
             </blockquote>
           <h4 class="Subsection">Exceptions</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToHostOrder(System.Byte[],WebSocketSharp.ByteOrder):Exceptions">
@@ -2409,7 +2415,7 @@
                   <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.ArgumentNullException">ArgumentNullException</a>
                 </td>
                 <td>
-            Is thrown when the <i>src</i> parameter passed to a method is invalid because it is <tt>null</tt>.
+                  <i>src</i> is <tt>null</tt>.
             </td>
               </tr>
             </table>
@@ -2426,11 +2432,11 @@
         <h3 id="M:WebSocketSharp.Ext.ToString``1(``0[],System.String)">ToString&lt;T&gt; Generic Method</h3>
         <blockquote id="M:WebSocketSharp.Ext.ToString``1(``0[],System.String):member">
           <p class="Summary">
-            Converts the specified array to a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> concatenated the specified separator string
-            between each element of this array.
+            Converts the specified <i>array</i> to a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that concatenates
+            the each element of <i>array</i> across the specified <i>separator</i>.
             </p>
           <h2>Syntax</h2>
-          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> <b>ToString&lt;T&gt;</b> (<i>this</i> <i title="&#xA;            The type of elements in the .&#xA;            ">T</i>[] array, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> separator)</div>
+          <div class="Signature">public static <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> <b>ToString&lt;T&gt;</b> (<i>this</i> <i title="&#xA;            The type of elements in .&#xA;            ">T</i>[] array, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> separator)</div>
           <h4 class="Subsection">Type Parameters</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToString``1(``0[],System.String):Type Parameters">
             <dl>
@@ -2438,7 +2444,7 @@
                 <i>T</i>
               </dt>
               <dd>
-            The type of elements in the <i>array</i>.
+            The type of elements in <i>array</i>.
             </dd>
             </dl>
           </blockquote>
@@ -2461,8 +2467,8 @@
           </blockquote>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToString``1(``0[],System.String):Returns">
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> converted from the <i>array</i> parameter, or a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=F:System.String.Empty">string.Empty</a>
-            if the length of the <i>array</i> is zero.
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> converted from <i>array</i>, or a <a href="http://www.go-mono.com/docs/monodoc.ashx?link=F:System.String.Empty">string.Empty</a>
+            if the length of <i>array</i> is zero.
             </blockquote>
           <h4 class="Subsection">Exceptions</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.Ext.ToString``1(``0[],System.String):Exceptions">
@@ -2476,7 +2482,7 @@
                   <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.ArgumentNullException">ArgumentNullException</a>
                 </td>
                 <td>
-            Is thrown when the <i>array</i> parameter passed to a method is invalid because it is <tt>null</tt>.
+                  <i>array</i> is <tt>null</tt>.
             </td>
               </tr>
             </table>
diff --git a/websocket-sharp/doc/html/WebSocketSharp/WebSocket.html b/websocket-sharp/doc/html/WebSocketSharp/WebSocket.html
index e7637c02..88040efb 100644
--- a/websocket-sharp/doc/html/WebSocketSharp/WebSocket.html
+++ b/websocket-sharp/doc/html/WebSocketSharp/WebSocket.html
@@ -506,7 +506,7 @@
                   <b>
                     <a href="#M:WebSocketSharp.WebSocket.Ping">Ping</a>
                   </b>()<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Pings using the WebSocket connection.
+            Sends a Ping using the WebSocket connection.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -518,7 +518,7 @@
                   <b>
                     <a href="#M:WebSocketSharp.WebSocket.Ping(System.String)">Ping</a>
                   </b>(<a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Pings with the specified <i>message</i> using the WebSocket connection.
+            Sends a Ping with the specified <i>message</i> using the WebSocket connection.
             </blockquote></td>
               </tr>
               <tr valign="top">
@@ -671,36 +671,6 @@
             </table>
           </div>
         </div>
-        <h2 class="Section">Extension Methods</h2>
-        <div class="SectionBox" id="Extension Methods">
-          <div class="SubsectionBox">
-            <table class="TypeMembers">
-              <tr valign="top">
-                <td>
-                  <div>static </div>
-                </td>
-                <td colspan="2">
-                  <b>
-                    <a href="../WebSocketSharp/Ext.html#M:WebSocketSharp.Ext.IsNull``1(``0)">IsNull&lt;T&gt;</a>
-                  </b>(<i>this</i> <i title="&#xA;            The type of  parameter.&#xA;            ">T</i>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the specified object is <tt>null</tt>.
-            </blockquote></td>
-              </tr>
-              <tr valign="top">
-                <td>
-                  <div>static </div>
-                </td>
-                <td colspan="2">
-                  <b>
-                    <a href="../WebSocketSharp/Ext.html#M:WebSocketSharp.Ext.IsNullDo``1(``0,System.Action)">IsNullDo&lt;T&gt;</a>
-                  </b>(<i>this</i> <i title="&#xA;            The type of the  parameter.&#xA;            ">T</i>, <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Action">Action</a>)<nobr> : <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a></nobr><blockquote>
-            Determines whether the specified object is <tt>null</tt>.
-            And invokes the specified <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Action">Action</a> delegate if the specified object is <tt>null</tt>.
-            </blockquote></td>
-              </tr>
-            </table>
-          </div>
-        </div>
       </div>
     </div>
     <div class="Members" id="T:WebSocketSharp.WebSocket:Members">
@@ -1092,7 +1062,7 @@
           <div class="Signature">public <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>IsAlive</b>  { get; }</div>
           <h4 class="Subsection">Value</h4>
           <blockquote class="SubsectionBox" id="P:WebSocketSharp.WebSocket.IsAlive:Value">
-            <tt>true</tt> if the connection is alive; otherwise, <tt>false</tt>.
+            <tt>true</tt> if the WebSocket connection is alive; otherwise, <tt>false</tt>.
             </blockquote>
           <h2 class="Section">Remarks</h2>
           <div class="SectionBox" id="P:WebSocketSharp.WebSocket.IsAlive:Remarks">
@@ -1216,13 +1186,13 @@
         <h3 id="M:WebSocketSharp.WebSocket.Ping">Ping Method</h3>
         <blockquote id="M:WebSocketSharp.WebSocket.Ping:member">
           <p class="Summary">
-            Pings using the WebSocket connection.
+            Sends a Ping using the WebSocket connection.
             </p>
           <h2>Syntax</h2>
           <div class="Signature">public <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Ping</b> ()</div>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.WebSocket.Ping:Returns">
-            <tt>true</tt> if the <a href="../WebSocketSharp/WebSocket.html">WebSocketSharp.WebSocket</a> receives a Pong in a time; otherwise, <tt>false</tt>.
+            <tt>true</tt> if a <a href="../WebSocketSharp/WebSocket.html">WebSocketSharp.WebSocket</a> instance receives a Pong in a time; otherwise, <tt>false</tt>.
             </blockquote>
           <h2 class="Section">Remarks</h2>
           <div class="SectionBox" id="M:WebSocketSharp.WebSocket.Ping:Remarks">
@@ -1236,7 +1206,7 @@
         <h3 id="M:WebSocketSharp.WebSocket.Ping(System.String)">Ping Method</h3>
         <blockquote id="M:WebSocketSharp.WebSocket.Ping(System.String):member">
           <p class="Summary">
-            Pings with the specified <i>message</i> using the WebSocket connection.
+            Sends a Ping with the specified <i>message</i> using the WebSocket connection.
             </p>
           <h2>Syntax</h2>
           <div class="Signature">public <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.Boolean">bool</a> <b>Ping</b> (<a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> message)</div>
@@ -1247,13 +1217,13 @@
                 <i>message</i>
               </dt>
               <dd>
-            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains a message.
+            A <a href="http://www.go-mono.com/docs/monodoc.ashx?link=T:System.String">string</a> that contains a message to send with a Ping.
             </dd>
             </dl>
           </blockquote>
           <h4 class="Subsection">Returns</h4>
           <blockquote class="SubsectionBox" id="M:WebSocketSharp.WebSocket.Ping(System.String):Returns">
-            <tt>true</tt> if the <a href="../WebSocketSharp/WebSocket.html">WebSocketSharp.WebSocket</a> receives a Pong in a time; otherwise, <tt>false</tt>.
+            <tt>true</tt> if a <a href="../WebSocketSharp/WebSocket.html">WebSocketSharp.WebSocket</a> instance receives a Pong in a time; otherwise, <tt>false</tt>.
             </blockquote>
           <h2 class="Section">Remarks</h2>
           <div class="SectionBox" id="M:WebSocketSharp.WebSocket.Ping(System.String):Remarks">
diff --git a/websocket-sharp/doc/mdoc/WebSocketSharp/Ext.xml b/websocket-sharp/doc/mdoc/WebSocketSharp/Ext.xml
index fe46f53c..d5e2a348 100644
--- a/websocket-sharp/doc/mdoc/WebSocketSharp/Ext.xml
+++ b/websocket-sharp/doc/mdoc/WebSocketSharp/Ext.xml
@@ -76,6 +76,35 @@
             </exception>
       </Docs>
     </Member>
+    <Member MemberName="Contains">
+      <MemberSignature Language="C#" Value="public static bool Contains (this System.Collections.Specialized.NameValueCollection collection, string name);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Contains(class System.Collections.Specialized.NameValueCollection collection, string name) cil managed" />
+      <MemberType>Method</MemberType>
+      <ReturnValue>
+        <ReturnType>System.Boolean</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
+        <Parameter Name="name" Type="System.String" />
+      </Parameters>
+      <Docs>
+        <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+        <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+        <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified <paramref name="name" />.
+            </summary>
+        <returns>
+          <c>true</c> if <paramref name="collection" /> contains the entry with <paramref name="name" />;
+            otherwise, <c>false</c>.
+            </returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
     <Member MemberName="Contains">
       <MemberSignature Language="C#" Value="public static bool Contains (this string value, char[] chars);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Contains(string value, char[] chars) cil managed" />
@@ -110,6 +139,39 @@
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
+    <Member MemberName="Contains">
+      <MemberSignature Language="C#" Value="public static bool Contains (this System.Collections.Specialized.NameValueCollection collection, string name, string value);" />
+      <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Contains(class System.Collections.Specialized.NameValueCollection collection, string name, string value) cil managed" />
+      <MemberType>Method</MemberType>
+      <ReturnValue>
+        <ReturnType>System.Boolean</ReturnType>
+      </ReturnValue>
+      <Parameters>
+        <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
+        <Parameter Name="name" Type="System.String" />
+        <Parameter Name="value" Type="System.String" />
+      </Parameters>
+      <Docs>
+        <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+        <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+        <param name="value">
+            A <see cref="T:System.String" /> that contains the value of the entry to find.
+            </param>
+        <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified both <paramref name="name" /> and <paramref name="value" />.
+            </summary>
+        <returns>
+          <c>true</c> if <paramref name="collection" /> contains the entry with both <paramref name="name" /> and <paramref name="value" />;
+            otherwise, <c>false</c>.
+            </returns>
+        <remarks>To be added.</remarks>
+      </Docs>
+    </Member>
     <Member MemberName="Emit">
       <MemberSignature Language="C#" Value="public static void Emit (this EventHandler eventHandler, object sender, EventArgs e);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig void Emit(class System.EventHandler eventHandler, object sender, class System.EventArgs e) cil managed" />
@@ -211,64 +273,6 @@
             </exception>
       </Docs>
     </Member>
-    <Member MemberName="Exists">
-      <MemberSignature Language="C#" Value="public static bool Exists (this System.Collections.Specialized.NameValueCollection collection, string name);" />
-      <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Exists(class System.Collections.Specialized.NameValueCollection collection, string name) cil managed" />
-      <MemberType>Method</MemberType>
-      <ReturnValue>
-        <ReturnType>System.Boolean</ReturnType>
-      </ReturnValue>
-      <Parameters>
-        <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
-        <Parameter Name="name" Type="System.String" />
-      </Parameters>
-      <Docs>
-        <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-        <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-        <summary>
-            Determines whether the entry with the specified key exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-        <returns>
-          <c>true</c> if the entry with the <paramref name="name" /> exists in the <paramref name="collection" />; otherwise, <c>false</c>.
-            </returns>
-        <remarks>To be added.</remarks>
-      </Docs>
-    </Member>
-    <Member MemberName="Exists">
-      <MemberSignature Language="C#" Value="public static bool Exists (this System.Collections.Specialized.NameValueCollection collection, string name, string value);" />
-      <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Exists(class System.Collections.Specialized.NameValueCollection collection, string name, string value) cil managed" />
-      <MemberType>Method</MemberType>
-      <ReturnValue>
-        <ReturnType>System.Boolean</ReturnType>
-      </ReturnValue>
-      <Parameters>
-        <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
-        <Parameter Name="name" Type="System.String" />
-        <Parameter Name="value" Type="System.String" />
-      </Parameters>
-      <Docs>
-        <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-        <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-        <param name="value">
-            A <see cref="T:System.String" /> that contains the value of the entry to find.
-            </param>
-        <summary>
-            Determines whether the entry with the specified both key and value exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-        <returns>
-          <c>true</c> if the entry with the both <paramref name="name" /> and <paramref name="value" /> exists in the <paramref name="collection" />; otherwise, <c>false</c>.
-            </returns>
-        <remarks>To be added.</remarks>
-      </Docs>
-    </Member>
     <Member MemberName="GetAbsolutePath">
       <MemberSignature Language="C#" Value="public static string GetAbsolutePath (this Uri uri);" />
       <MemberSignature Language="ILAsm" Value=".method public static hidebysig string GetAbsolutePath(class System.Uri uri) cil managed" />
@@ -1088,27 +1092,27 @@
       </Parameters>
       <Docs>
         <typeparam name="T">
-            The type of the return value. The T must be a value type.
+            The type of the return. The T must be a value type.
             </typeparam>
         <param name="src">
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
         <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
         <summary>
             Converts the specified array of <see cref="T:System.Byte" /> to the specified type data.
             </summary>
         <returns>
-            A T converted from the <paramref name="src" />, or a default value of T
-            if the <paramref name="src" /> is an empty array of <see cref="T:System.Byte" />
-            or if the types of T aren't the <see cref="T:System.Boolean" />, <see cref="T:System.Char" />, <see cref="T:System.Double" />,
+            A T converted from <paramref name="src" />, or a default value of T
+            if <paramref name="src" /> is an empty array of <see cref="T:System.Byte" />
+            or if the type of T isn't <see cref="T:System.Boolean" />, <see cref="T:System.Char" />, <see cref="T:System.Double" />,
             <see cref="T:System.Single" />, <see cref="T:System.Int32" />, <see cref="T:System.Int64" />, <see cref="T:System.Int16" />,
-            <see cref="T:System.UInt32" />, <see cref="T:System.UInt64" />, <see cref="T:System.UInt16" />.
+            <see cref="T:System.UInt32" />, <see cref="T:System.UInt64" /> or <see cref="T:System.UInt16" />.
             </returns>
         <remarks>To be added.</remarks>
         <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="src" /> parameter passed to a method is invalid because it is <see langword="null" />.
+          <paramref name="src" /> is <see langword="null" />.
             </exception>
       </Docs>
     </Member>
@@ -1134,7 +1138,7 @@
       </Parameters>
       <Docs>
         <typeparam name="T">
-            The type of the <paramref name="value" />. The T must be a value type.
+            The type of <paramref name="value" />. The T must be a value type.
             </typeparam>
         <param name="value">
             A T to convert.
@@ -1143,10 +1147,10 @@
             A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the return.
             </param>
         <summary>
-            Converts the specified data to an array of <see cref="T:System.Byte" />.
+            Converts the specified <paramref name="value" /> to an array of <see cref="T:System.Byte" />.
             </summary>
         <returns>
-            An array of <see cref="T:System.Byte" /> converted from the <paramref name="value" />.
+            An array of <see cref="T:System.Byte" /> converted from <paramref name="value" />.
             </returns>
         <remarks>To be added.</remarks>
       </Docs>
@@ -1167,17 +1171,17 @@
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
         <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
         <summary>
             Converts the order of the specified array of <see cref="T:System.Byte" /> to the host byte order.
             </summary>
         <returns>
-            An array of <see cref="T:System.Byte" /> converted from the <paramref name="src" />.
+            An array of <see cref="T:System.Byte" /> converted from <paramref name="src" />.
             </returns>
         <remarks>To be added.</remarks>
         <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="src" /> parameter passed to a method is invalid because it is <see langword="null" />.
+          <paramref name="src" /> is <see langword="null" />.
             </exception>
       </Docs>
     </Member>
@@ -1197,7 +1201,7 @@
       </Parameters>
       <Docs>
         <typeparam name="T">
-            The type of elements in the <paramref name="array" />.
+            The type of elements in <paramref name="array" />.
             </typeparam>
         <param name="array">
             An array of T to convert.
@@ -1206,16 +1210,16 @@
             A <see cref="T:System.String" /> that contains a separator string.
             </param>
         <summary>
-            Converts the specified array to a <see cref="T:System.String" /> concatenated the specified separator string
-            between each element of this array.
+            Converts the specified <paramref name="array" /> to a <see cref="T:System.String" /> that concatenates
+            the each element of <paramref name="array" /> across the specified <paramref name="separator" />.
             </summary>
         <returns>
-            A <see cref="T:System.String" /> converted from the <paramref name="array" /> parameter, or a <see cref="F:System.String.Empty" />
-            if the length of the <paramref name="array" /> is zero.
+            A <see cref="T:System.String" /> converted from <paramref name="array" />, or a <see cref="F:System.String.Empty" />
+            if the length of <paramref name="array" /> is zero.
             </returns>
         <remarks>To be added.</remarks>
         <exception cref="T:System.ArgumentNullException">
-            Is thrown when the <paramref name="array" /> parameter passed to a method is invalid because it is <see langword="null" />.
+          <paramref name="array" /> is <see langword="null" />.
             </exception>
       </Docs>
     </Member>
diff --git a/websocket-sharp/doc/mdoc/WebSocketSharp/WebSocket.xml b/websocket-sharp/doc/mdoc/WebSocketSharp/WebSocket.xml
index 460ac32a..3adc61f9 100644
--- a/websocket-sharp/doc/mdoc/WebSocketSharp/WebSocket.xml
+++ b/websocket-sharp/doc/mdoc/WebSocketSharp/WebSocket.xml
@@ -318,7 +318,7 @@
             Gets a value indicating whether the WebSocket connection is alive.
             </summary>
         <value>
-          <c>true</c> if the connection is alive; otherwise, <c>false</c>.
+          <c>true</c> if the WebSocket connection is alive; otherwise, <c>false</c>.
             </value>
         <remarks>To be added.</remarks>
       </Docs>
@@ -431,10 +431,10 @@
       <Parameters />
       <Docs>
         <summary>
-            Pings using the WebSocket connection.
+            Sends a Ping using the WebSocket connection.
             </summary>
         <returns>
-          <c>true</c> if the <see cref="T:WebSocketSharp.WebSocket" /> receives a Pong in a time; otherwise, <c>false</c>.
+          <c>true</c> if a <see cref="T:WebSocketSharp.WebSocket" /> instance receives a Pong in a time; otherwise, <c>false</c>.
             </returns>
         <remarks>To be added.</remarks>
       </Docs>
@@ -451,13 +451,13 @@
       </Parameters>
       <Docs>
         <param name="message">
-            A <see cref="T:System.String" /> that contains a message.
+            A <see cref="T:System.String" /> that contains a message to send with a Ping.
             </param>
         <summary>
-            Pings with the specified <paramref name="message" /> using the WebSocket connection.
+            Sends a Ping with the specified <paramref name="message" /> using the WebSocket connection.
             </summary>
         <returns>
-          <c>true</c> if the <see cref="T:WebSocketSharp.WebSocket" /> receives a Pong in a time; otherwise, <c>false</c>.
+          <c>true</c> if a <see cref="T:WebSocketSharp.WebSocket" /> instance receives a Pong in a time; otherwise, <c>false</c>.
             </returns>
         <remarks>To be added.</remarks>
       </Docs>
diff --git a/websocket-sharp/doc/mdoc/index.xml b/websocket-sharp/doc/mdoc/index.xml
index 526bf519..6105e709 100644
--- a/websocket-sharp/doc/mdoc/index.xml
+++ b/websocket-sharp/doc/mdoc/index.xml
@@ -1,6 +1,6 @@
 <Overview>
   <Assemblies>
-    <Assembly Name="websocket-sharp" Version="1.0.2.30668">
+    <Assembly Name="websocket-sharp" Version="1.0.2.41223">
       <AssemblyPublicKey>[00 24 00 00 04 80 00 00 94 00 00 00 06 02 00 00 00 24 00 00 52 53 41 31 00 04 00 00 11 00 00 00 29 17 fb 89 fe c3 91 f7 2b cb 8b e2 61 d2 3f 05 93 6d 65 a8 9e 63 72 a6 f5 d5 2c f2 9d 20 fa 0b c0 70 6a f6 88 7e 8b 90 3f 39 f5 76 c8 48 e0 bb 7b b2 7b ed d3 10 a7 1a 0f 70 98 0f 7f f4 4b 53 09 d2 a5 ef 36 c3 56 b4 aa f0 91 72 63 25 07 89 e0 93 3e 3f 2e f2 b9 73 0e 12 15 5d 43 56 c3 f4 70 a5 89 fe f7 f6 ac 3e 77 c2 d8 d0 84 91 f4 0c d1 f3 8e dc c3 c3 b8 38 3d 0c bf 17 de 20 78 c1 ]</AssemblyPublicKey>
       <Attributes>
         <Attribute>
@@ -142,6 +142,70 @@
         <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.AcceptWebSocketAsync(System.Net.Sockets.TcpListener,System.Boolean,System.Action{WebSocketSharp.Net.WebSockets.TcpListenerWebSocketContext})" />
       </Member>
     </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:System.Collections.Specialized.NameValueCollection" />
+      </Targets>
+      <Member MemberName="Contains">
+        <MemberSignature Language="C#" Value="public static bool Contains (this System.Collections.Specialized.NameValueCollection collection, string name);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Contains(class System.Collections.Specialized.NameValueCollection collection, string name) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>System.Boolean</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
+          <Parameter Name="name" Type="System.String" />
+        </Parameters>
+        <Docs>
+          <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+          <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+          <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified <paramref name="name" />.
+            </summary>
+        </Docs>
+        <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String)" />
+      </Member>
+    </ExtensionMethod>
+    <ExtensionMethod>
+      <Targets>
+        <Target Type="T:System.Collections.Specialized.NameValueCollection" />
+      </Targets>
+      <Member MemberName="Contains">
+        <MemberSignature Language="C#" Value="public static bool Contains (this System.Collections.Specialized.NameValueCollection collection, string name, string value);" />
+        <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Contains(class System.Collections.Specialized.NameValueCollection collection, string name, string value) cil managed" />
+        <MemberType>ExtensionMethod</MemberType>
+        <ReturnValue>
+          <ReturnType>System.Boolean</ReturnType>
+        </ReturnValue>
+        <Parameters>
+          <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
+          <Parameter Name="name" Type="System.String" />
+          <Parameter Name="value" Type="System.String" />
+        </Parameters>
+        <Docs>
+          <param name="collection">
+            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
+            </param>
+          <param name="name">
+            A <see cref="T:System.String" /> that contains the key of the entry to find.
+            </param>
+          <param name="value">
+            A <see cref="T:System.String" /> that contains the value of the entry to find.
+            </param>
+          <summary>
+            Determines whether the specified <see cref="T:System.Collections.Specialized.NameValueCollection" /> contains the entry
+            with the specified both <paramref name="name" /> and <paramref name="value" />.
+            </summary>
+        </Docs>
+        <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.Contains(System.Collections.Specialized.NameValueCollection,System.String,System.String)" />
+      </Member>
+    </ExtensionMethod>
     <ExtensionMethod>
       <Targets>
         <Target Type="T:System.String" />
@@ -288,68 +352,6 @@
         <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.EqualsAndSaveTo(System.Int32,System.Char,System.Collections.Generic.List{System.Byte})" />
       </Member>
     </ExtensionMethod>
-    <ExtensionMethod>
-      <Targets>
-        <Target Type="T:System.Collections.Specialized.NameValueCollection" />
-      </Targets>
-      <Member MemberName="Exists">
-        <MemberSignature Language="C#" Value="public static bool Exists (this System.Collections.Specialized.NameValueCollection collection, string name);" />
-        <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Exists(class System.Collections.Specialized.NameValueCollection collection, string name) cil managed" />
-        <MemberType>ExtensionMethod</MemberType>
-        <ReturnValue>
-          <ReturnType>System.Boolean</ReturnType>
-        </ReturnValue>
-        <Parameters>
-          <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
-          <Parameter Name="name" Type="System.String" />
-        </Parameters>
-        <Docs>
-          <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-          <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-          <summary>
-            Determines whether the entry with the specified key exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-        </Docs>
-        <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String)" />
-      </Member>
-    </ExtensionMethod>
-    <ExtensionMethod>
-      <Targets>
-        <Target Type="T:System.Collections.Specialized.NameValueCollection" />
-      </Targets>
-      <Member MemberName="Exists">
-        <MemberSignature Language="C#" Value="public static bool Exists (this System.Collections.Specialized.NameValueCollection collection, string name, string value);" />
-        <MemberSignature Language="ILAsm" Value=".method public static hidebysig bool Exists(class System.Collections.Specialized.NameValueCollection collection, string name, string value) cil managed" />
-        <MemberType>ExtensionMethod</MemberType>
-        <ReturnValue>
-          <ReturnType>System.Boolean</ReturnType>
-        </ReturnValue>
-        <Parameters>
-          <Parameter Name="collection" Type="System.Collections.Specialized.NameValueCollection" RefType="this" />
-          <Parameter Name="name" Type="System.String" />
-          <Parameter Name="value" Type="System.String" />
-        </Parameters>
-        <Docs>
-          <param name="collection">
-            A <see cref="T:System.Collections.Specialized.NameValueCollection" /> that contains the entries.
-            </param>
-          <param name="name">
-            A <see cref="T:System.String" /> that contains the key of the entry to find.
-            </param>
-          <param name="value">
-            A <see cref="T:System.String" /> that contains the value of the entry to find.
-            </param>
-          <summary>
-            Determines whether the entry with the specified both key and value exists in the specified <see cref="T:System.Collections.Specialized.NameValueCollection" />.
-            </summary>
-        </Docs>
-        <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.Exists(System.Collections.Specialized.NameValueCollection,System.String,System.String)" />
-      </Member>
-    </ExtensionMethod>
     <ExtensionMethod>
       <Targets>
         <Target Type="T:System.Uri" />
@@ -1233,13 +1235,13 @@
         </Parameters>
         <Docs>
           <typeparam name="T">
-            The type of the return value. The T must be a value type.
+            The type of the return. The T must be a value type.
             </typeparam>
           <param name="src">
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
           <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
           <summary>
             Converts the specified array of <see cref="T:System.Byte" /> to the specified type data.
@@ -1274,7 +1276,7 @@
         </Parameters>
         <Docs>
           <typeparam name="T">
-            The type of the <paramref name="value" />. The T must be a value type.
+            The type of <paramref name="value" />. The T must be a value type.
             </typeparam>
           <param name="value">
             A T to convert.
@@ -1283,7 +1285,7 @@
             A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the return.
             </param>
           <summary>
-            Converts the specified data to an array of <see cref="T:System.Byte" />.
+            Converts the specified <paramref name="value" /> to an array of <see cref="T:System.Byte" />.
             </summary>
         </Docs>
         <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.ToByteArray``1(``0,WebSocketSharp.ByteOrder)" />
@@ -1309,7 +1311,7 @@
             An array of <see cref="T:System.Byte" /> to convert.
             </param>
           <param name="srcOrder">
-            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of the <paramref name="src" />.
+            A <see cref="T:WebSocketSharp.ByteOrder" /> that indicates the byte order of <paramref name="src" />.
             </param>
           <summary>
             Converts the order of the specified array of <see cref="T:System.Byte" /> to the host byte order.
@@ -1338,7 +1340,7 @@
         </Parameters>
         <Docs>
           <typeparam name="T">
-            The type of elements in the <paramref name="array" />.
+            The type of elements in <paramref name="array" />.
             </typeparam>
           <param name="array">
             An array of T to convert.
@@ -1347,8 +1349,8 @@
             A <see cref="T:System.String" /> that contains a separator string.
             </param>
           <summary>
-            Converts the specified array to a <see cref="T:System.String" /> concatenated the specified separator string
-            between each element of this array.
+            Converts the specified <paramref name="array" /> to a <see cref="T:System.String" /> that concatenates
+            the each element of <paramref name="array" /> across the specified <paramref name="separator" />.
             </summary>
         </Docs>
         <Link Type="WebSocketSharp.Ext" Member="M:WebSocketSharp.Ext.ToString``1(``0[],System.String)" />