Python-socketio-v4

- remove unused wait and timeout arguments from send method ([commit](https://github.com/miguelgrinberg/python-socketio/commit/fd91e36799b3ba66c0f5ff22504f54b50951833f))
- Add missing import statement for socketio in docs [289](https://github.com/miguelgrinberg/python-socketio/issues/289) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/cacb621ad75b64b7bd740e695446cef5e4f335a2)) (thanks **Syed Faheel Ahmad**!)
- change a typo from `client` to `server` [280](https://github.com/miguelgrinberg/python-socketio/issues/280) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/55e3a6cb02471adff9fa6cd45774003f778b6db4)) (thanks **Almog Cohen**!)
- add link to stack overflow for questions ([commit](https://github.com/miguelgrinberg/python-socketio/commit/65c4675bab7f40a2c446428f1f7ba4faa85c659a))
- Merge branch 'Keylekan-master' ([commit](https://github.com/miguelgrinberg/python-socketio/commit/3af9a003aa63259bfe4dd7ae25b1bcefc627507a))
- Add namespaces parameter to the self.connect call in the reconnection process ([commit](https://github.com/miguelgrinberg/python-socketio/commit/c4e4b0b226390a48e4ff9e73a60ff85f68cb9c4c)) (thanks **quentin**!)

- change async_handlers default to true, and add call() method ([commit](https://github.com/miguelgrinberg/python-socketio/commit/88dcf7d414baec32d6f9f5571d1c03cb09e75c65))
- Add ConnectionRefusedError and handling for it ([commit](https://github.com/miguelgrinberg/python-socketio/commit/38edd2c93950d85d97258c104af24792b01dc1e3)) (thanks **Andrey Rusanov**!)
- fix python 2 unit test ([commit](https://github.com/miguelgrinberg/python-socketio/commit/9ddc860391ba1b0ea8a43d16d2865e1422346eda))
- client disconnect does not take namespace as argument [259](https://github.com/miguelgrinberg/python-socketio/issues/259) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/c35451421d2754c09c101c56590152d13cc8b0ea))
- Avoid double calls to client disconnect handlers [261](https://github.com/miguelgrinberg/python-socketio/issues/261) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/f752312884332e86946df0c4c60ee52dd0590164))
- readme fixes ([commit](https://github.com/miguelgrinberg/python-socketio/commit/1fb1f6d6e5a25159e9c1f35b005098e05a4a18e4))
- Update sanic version in requirements.txt [255](https://github.com/miguelgrinberg/python-socketio/issues/255) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/6e4079ac64c1c69843fd5b2a9c735bb46671b5bf)) (thanks **maxDzh**!)
- simplify client dependencies ([commit](https://github.com/miguelgrinberg/python-socketio/commit/d28eff7013c084c4f3c491a146bbec35acb18560))

- Type in documentation [241](https://github.com/miguelgrinberg/python-socketio/issues/241) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/3c08dda918dd1985c2f10174e7b54f031908099b)) (thanks **Emeka Icha**!)
- fix typo with quotes in doc [238](https://github.com/miguelgrinberg/python-socketio/issues/238) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/a5a67120fec2211002915e8bbcff1c034a5eb93f)) (thanks **Julien Deniau**!)

- do not use six in setup.py ([commit](https://github.com/miguelgrinberg/python-socketio/commit/b4512b13176b6c04e29803759fff346ca78eb76f))

- unit test reorganization ([commit](https://github.com/miguelgrinberg/python-socketio/commit/b0a8b1f31bce4305c00ab0937ddfec1120a2d49d))
- user sessions ([commit](https://github.com/miguelgrinberg/python-socketio/commit/9f2186725adba33b634f7287e3518086e2bbc3ea))

- correct handling of disconnects [227](https://github.com/miguelgrinberg/python-socketio/issues/227) ([commit](https://github.com/miguelgrinberg/python-socketio/commit/45d880cf905f05e1c9966fbe46ed53236bda2851))