#15: Add SessionState (CallbackState). Fixed demo disconnect
#15: Add SessionState (CallbackState). Fixed demo disconnect

sinnus/socket.io-cowboy,sinnus/socket.io-cowboy,CrankWheel/engine.io-cowboy,CrankWheel/engine.io-cowboy,CrankWheel/engine.io-cowboy,sinnus/socket.io-cowboy,wuyingfengsui/socket.io-cowboy,wuyingfengsui/socket.io-cowboy,CrankWheel/engine.io-cowboy,CrankWheel/engine.io-cowboy,wuyingfengsui/socket.io-cowboy