fixed proper teardown of session in case of a websocket close
fixed proper teardown of session in case of a websocket close

erlio/vmq_server,erlio/vernemq,larshesel/vmq_server,erlio/vernemq,larshesel/vmq_server,dergraf/vmq_server,dergraf/vmq_server,erlio/vernemq,sunnyjain1/vmq_server,linearregression/vmq_server,erlio/vmq_server,erlio/vernemq