原文地址：http://zhuowater.appspot.com/2010/08/30/webscoket-python.html
https://github.com/zhuowater/python-websocket/blob/master/webs.py
http://www.zendstudio.net/archives/websocket-protocol/
http://blog.new-bamboo.co.uk/2010/6/7/living-on-the-edge-of-the-websocket-protocol
http://webreflection.blogspot.com/2010/06/websocket-handshake-76-simplified.html
http://efreedom.com/Question/1-3220547/Websocket-Handshake-Problem
http://books.google.com.hk/books?id=7hfSXSyBIHYC&pg=PA148&lpg=PA148&dq=python+html5+handshake&source=bl&ots=iQwWGIa7b4&sig=sdW0OBhTs28L85bQ6UpBw8jJlLU&hl=zh-CN&ei=PI7bTO_EFIzmsQPLleXlAw&sa=X&oi=book_result&ct=result&resnum=10&ved=0CF4Q6AEwCQ#v=onepage&q=python%20html5%20handshake&f=false