Flask-socketio

- Address potential websocket cross-origin attacks [128](https://github.com/miguelgrinberg/python-engineio/issues/128) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/7548f704a0a3000b7ac8a6c88796c4ae58aa9c37))
- Documentation for the Same Origin security policy ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/42d4e02055f5936f1322982bf44a845987d75144))

- Fix typo in "Using nginx" section [1007](https://github.com/miguelgrinberg/flask-socketio/issues/1007) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/9e152b24ec30dd712886c4da3ec6a3aded855a00)) (thanks **Steffen Schneider**!)
- updated python-socketio min version requirement to 4.0.0 [1006](https://github.com/miguelgrinberg/flask-socketio/issues/1006) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/40a34c119a6b7f7e00d2a476d26e985cbd10ec19)) (thanks **Shantanu Hazari**!)

- Add ConnectionRefusedError exception from python-socketio [989](https://github.com/miguelgrinberg/flask-socketio/issues/989) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/3f9fda8f0de551567834400ff72a95c10c7d42b4))
- Invoke Socket.IO callbacks with app and request context [262](https://github.com/miguelgrinberg/flask-socketio/issues/262) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/75a75d47cb20fca8a8b2b2818a7602d43b4cea1f))
- Copy handler's name and docstring to handler wrapper [573](https://github.com/miguelgrinberg/flask-socketio/issues/573) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/4e0329b59e653edc19b31f05823b47bd63c0bc72))
- Less aggressive monkey patching for gevent [413](https://github.com/miguelgrinberg/flask-socketio/issues/413) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/55d02d97708bd91b7d8f761ab57aba8d946039ff))
- Updates jquery and socket.io in example application [988](https://github.com/miguelgrinberg/flask-socketio/issues/988) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/67da0d6627149c27da4ddc9b675aacf946dc3588)) (thanks **sillyfrog**!)

- move to the latest python-socketio 4.x releases ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/686abcaf69c27f6fb6084d0948832ffff8177755))
- SocketIOTestClient can handle disconnect event from server [967](https://github.com/miguelgrinberg/flask-socketio/issues/967) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/611fa68e102b7b49ac77d48406a034f23aca4998)) (thanks **Jack**!)
- example app: disconnect in callback function [453](https://github.com/miguelgrinberg/flask-socketio/issues/453) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/f8ee01f938afcd13d4cae282976946660db8e982))
- update documentation for skip_sid argument supporting lists ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/932b0296afea789f51c0b7f39f99a561593fb257))
- add /static block to nginx configuration example [222](https://github.com/miguelgrinberg/flask-socketio/issues/222) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/e052ae6d7b865929bfb7dca4b936902d204ccdb6))
- add notes on monkey patching [383](https://github.com/miguelgrinberg/flask-socketio/issues/383) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/5dd2bca681cc826fa60558ec244633437bfebaf4))
- note the event names that are reserved in the documentation ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/0c9d1b32499ca5091cf04833c32f3ade803be6e7))
- minor doc improvements [960](https://github.com/miguelgrinberg/flask-socketio/issues/960) ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/a0c29a94b1d53306550e8c5ffc4fcb71f6fb20b7))
- updated some requirements ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/4bef800d5e7ba7d98a6f4cd94191ff0b4496c334))
- add link to stack overflow for questions ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/db46f062b2d13c7c464f625d5e1976d9625a0f37))
- helper release script ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/1fd43a3fc86be8848fc6d70d80638db688f4eb97))

- update dependencies ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/b65e92b0b97bcbe2f047d508ed520cecd9765f32))

- keep connected status in test client ([commit](https://github.com/miguelgrinberg/flask-socketio/commit/5e399d544317a741234d3260c04aca4ba2e18e5a))