--- - Rewrote library to use coroutines instead of threads to save memory - Improved connection resilience - Added support for xhr-polling thanks to Francis Bull - Added support for jsonp-polling thanks to Bernard Pratz - Added support for query params and cookies
0.4
--- - Added support for custom headers and proxies thanks to Rui and Sajal - Added support for server-side callbacks thanks to Zac Lee - Added low-level _SocketIO to remove cyclic references - Merged Channel functionality into BaseNamespace thanks to Alexandre Bourget
0.3
--- - Added support for secure connections - Added socketIO.wait() - Improved exception handling in _RhythmicThread and _ListenerThread
0.2
--- - Added support for callbacks and channels thanks to Paul Kienzle - Incorporated suggestions from Josh VanderLinden and Ian Fitzpatrick
0.1
--- - Wrapped `code from StackOverflow <http://stackoverflow.com/questions/6692908/formatting-messages-to-send-to-socket-io-node-js-server-from-python-client>`_ - Added exception handling to destructor in case of connection failure