[Modify] Re-throw it

websocket-sharp/Net/CookieCollection.cs

@@ -554,10 +554,15 @@ namespace WebSocketSharp.Net
 
     internal static CookieCollection Parse (string value, bool response)
     {
+      try {
         return response
                ? parseResponse (value)
                : parseRequest (value);
       }
+      catch (Exception ex) {
+        throw new CookieException ("It could not be parsed.", ex);
+      }
+    }
 
     internal void SetOrRemove (Cookie cookie)
     {