Fix iojs 3.0 Buffer.buffer issue
Fix iojs 3.0 Buffer.buffer issue

Nibbler999/engine.io-parser,nkzawa/engine.io-parser,Automattic/engine.io-parser,socketio/engine.io-parser,sanemat/engine.io-parser,socketio/engine.io-parser,darrachequesne/engine.io-parser,socketio/engine.io-parser,Rainforce15/engine.io-parser