Fix for issue #49 - Implementation of PING/PONG unable to detect connection failures.
Fix for issue #49 - Implementation of PING/PONG unable to detect connection failures.

kerryjiang/WebSocket4Net,thomaslevesque/WebSocket4Net,kerryjiang/WebSocket4Net,thomaslevesque/WebSocket4Net,thomaslevesque/WebSocket4Net,kerryjiang/WebSocket4Net