Fixed dangling pointer error for web socket delegate when Faye client is freed by ARC reference counting.
As suggested by @steveluscher, switched the nil-ing of the delegate to closeWebSocketConnection, and switched dealloc to call closeWebSocketConnection.
Merge pull request #15 from Troupe/2_0

EXC_BAD_ACCESS (code=1) on disconnect from server

Thanks for the contribution guys!