Websocket-client

- Remove spurious print statement. (135)

- Fix not thread-safe of Websocket.close() (120)
- Try to get proxy info from environment if not explicitly provided (124)
- support proxy basic authentication. (125)
- Fix NoneType exception at WebsocketApp.send (126)
- not use proxy for localhost (132)

- Check for socket before attempting to close (115)
- Enable turning off SSL verification in wsdump.py(116)
- Enable to set subprotocol(118)
- Better support for Autobahn test suite (http://autobahn.ws/testsuite) (#117)

- fix typo.

- suppress close event message(107)
- detect socket connection state(109)
- support for code and reason in on_close callback(111)
- continuation frame handling seems suspicious(113)

- allow override of match_hostname usage on ssl (105)