Flask-socketio

- Add error handlers (on_error and on_default_error). ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/27c439574b779deca52b3af51be139d37e806d9a)) (thanks **Alan Du**!)
- Update index.rst fixed broken link to Flask-KVSession documentation. ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/4bd1f2a2d5aa03be00827692d99b969903a5d3df))

- [37](https://github.com/miguelgrinberg/flask-socketio/issues/37): broadcast without namespace ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/9844dfe7a614257215e8c20919dcf2eb7afe3584))
- documented use of server-side sessions ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/2a08c09fc170945c2be9a4a790790a92c2967372))
- some more doc improvements ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/5fbaf8a78e0fc211bf0aeb001eb5ade204d37878))
- added client-side example code snippet ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/1bf7ed5c231b642844a184777a965b7b3269b659))
- documented the currently unsupported Socket.IO 1.x client library ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/db9342b195cc56e0b035982182413aead83da399))
- [22](https://github.com/miguelgrinberg/flask-socketio/issues/22): document use of nginx as a reverse proxy ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/9ed9b070cccd98be88ce3b3de0f684e4601924db))
- [28](https://github.com/miguelgrinberg/flask-socketio/issues/28): example app did not start background thread when running under a production server ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/6c995a56b400f165fde9be63b29310fde17974fc))

- [31](https://github.com/miguelgrinberg/flask-socketio/issues/31): show host and port on startup ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/43bc6782ec73cce90262ede5bec579f8d0b967c0))

- [26](https://github.com/miguelgrinberg/flask-socketio/issues/26): threading error during exit ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/aa6f65fafd55568d12de75362e8726cde52a7ba2))
- added gevent dependency ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/52bcba3e39e00475e002e28c7733e43071d7f344))

- [23](https://github.com/miguelgrinberg/flask-socketio/issues/23): incorrect use of run_with_reloader ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/a0c3072f5948d1dac60653c0d8fce5c37a33843f))

- show a more friendly error when a server that is not compatible with gevent-socketio is used ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/a58879f3d4db7e4e1e9b9a0cede2371b3cb1979f))
- added short deployment section to docs ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/93008853131e86a80737fb1a3defa38a763f0f35))
- correct syntax for js imports ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/f3491f6ea9d327ada68de7b0f7fe1c76f2767642))
- [18](https://github.com/miguelgrinberg/flask-socketio/issues/18): server initiated communication does not work on the global namespace ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/21695aba5930e17b09cfb23bea1a273737b647fb))