Merge pull request #111 from xksoft/master

fix SocketIO v3 Binary message Bug

src/SocketIOClient/WebSocketClient/ClientWebSocket.cs

@@ -178,7 +178,7 @@ private async Task ListenAsync()
 #if DEBUG
                     Trace.WriteLine($"⬇ {DateTime.Now} Binary message");
 #endif
-                    _io.InvokeBytesReceived(binaryResult.Skip(1).ToArray());
+                   _io.InvokeBytesReceived(_io.Options.EIO == 4 ? binaryResult.ToArray() : binaryResult.Skip(1).ToArray());
                 }
             }
         }