fix a bug where after a comet call the ready state might go to DISCONNECTING or DISCONNECTED (callback closes the connection), but we still try to make the next comet call with a null sessionKey
fix a bug where after a comet call the ready state might go to DISCONNECTING or DISCONNECTED (callback closes the connection), but we still try to make the next comet call with a null sessionKey

hashcube/js.io,gameclosure/js.io,hashcube/js.io,gameclosure/js.io