Update virtsocket.py

Unicode error
Fix for:
  File /var/lib/python2.7/site-packages/gevent_socketio-0.3.6-py2.7.egg/socketio/handler.py",
line 184, in handle_one_response
    del self.websocket.environ
AttributeError: environ
Merge pull request #172 from arnuschky/fix-websocket.environ

Fix for AttributeError: environ
The fix to the fix
D'oh
Doing it right, the python way
Update virtsocket.py
Update virtsocket.py
Fix PollingTransport problems
Merge pull request #177 from dabidan/patch-1

Fix PollingTransport problems
Merge pull request #173 from arnuschky/fix-websocket.environ

Fixing PR 172
Merge pull request #141 from b3ni/master

UnicodeEncodeError in default_error_handler
PEP8 cleanup
Merge remote-tracking branch 'abourget/master'