According to draft 04, §5.1, validatate that connection header includes upgrade
According to draft 04, §5.1, validatate that connection header includes upgrade

"The request MUST contain a "Connection" header whose value MUST include the "Upgrade" token"

* We really need to swap in a proper HTTP parser...
igrigorik/em-websocket,telekomatrix/em-websocket,lvnhmd/em-websocket