Python-engineio-v3

- Much more flexible support for static files in the server ([commit](https://github.com/miguelgrinberg/python-engineio/commit/b27cafb207589cc52b5ba1ffa60f9a2e1e553af9), [commit](https://github.com/miguelgrinberg/python-engineio/commit/a56aed103c39a25ff6afb316d171cfeca5bf9894))
- Correctly handle rejected websocket connections in Tornado [114](https://github.com/miguelgrinberg/python-engineio/issues/114) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/51f5ad28d5c3a17bfad7d9b55555b23223eff43b))

- Add JSONP support in the server [98](https://github.com/miguelgrinberg/python-engineio/issues/98) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/36a15987a677ba5a61675250f9b4a9e7c6cbaa74)) (thanks **StoneMoe**!)
- Send binary packets as such in the sync client [112](https://github.com/miguelgrinberg/python-engineio/issues/112) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/076232e86fa923c2f44472f8eb358b141c61783a))
- Handle CLOSE packet in the client [100](https://github.com/miguelgrinberg/python-engineio/issues/100) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/612815f793f4c749c9a9459ff08804ddd629da31))
- Document how to access the sid for the connection ([commit](https://github.com/miguelgrinberg/python-engineio/commit/3de448881989485e0f986441896a1871354ba36a))

- Tornado 6 support ([commit](https://github.com/miguelgrinberg/python-engineio/commit/99359e43188f05e1844b68fef862f3af99919044)) (thanks **Michel Llorens**!)
- added note on CORS support for sanic ([commit](https://github.com/miguelgrinberg/python-engineio/commit/a3a4cb82059e2229d1b5e9ed9404dacc1b9afc34))
- added python 3.7 build ([commit](https://github.com/miguelgrinberg/python-engineio/commit/805aa9fd7156425a2dce6b782b96f0e805ee4501))
- auto-generate change log during release ([commit](https://github.com/miguelgrinberg/python-engineio/commit/be2c76e3e5b803284a6f2a9e4abed3314b9af7b6))
- added change log ([commit](https://github.com/miguelgrinberg/python-engineio/commit/f8b15d1c06439581ca6b0d697f67cd034fb5bbf5))
- helper release script ([commit](https://github.com/miguelgrinberg/python-engineio/commit/d36548cade90ddf8c6ab68178cb9747d5ac0d51f))

- migrate to ASGI3 [108](https://github.com/miguelgrinberg/python-engineio/issues/108) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/5a7f9e719b6fb3bfc9da07b882c4b77b102aef0d)) (thanks **Florimond Manca**!)
- updated asgi examples to latest uvicorn ([commit](https://github.com/miguelgrinberg/python-engineio/commit/261fd67103cb5d9a44369415748e66fdf62de6fb))
- remove security alert in requirements ([commit](https://github.com/miguelgrinberg/python-engineio/commit/1b044aaac9657ff947c6666638cf89315303bf6c))
- removed unused arguments and methods ([commit](https://github.com/miguelgrinberg/python-engineio/commit/951b4c39af9ec22dbc06046d562866e0f32152cd))

- Downgrade log levels in some areas [103](https://github.com/miguelgrinberg/python-engineio/issues/103) ([commit](https://github.com/miguelgrinberg/python-engineio/commit/57b81be14b1d2fd4701c1b1d3c07710661807983)) (thanks **Aaron Bach**!)
- capture timeouts and other exceptions from requests ([commit](https://github.com/miguelgrinberg/python-engineio/commit/45397f1d2f7a7ea7ae6fb87049579bccf6cb1b87))

- not necessary to hold the packet queue when upgrading ([commit](https://github.com/miguelgrinberg/python-engineio/commit/330c6b9379afb4a098c24456f1a96fed8c314b10))
- add link to stack overflow for questions ([commit](https://github.com/miguelgrinberg/python-engineio/commit/138fb60a9bb8a4aae86e08a5fd5485563733b9d1))
- pep8 fixes for previous commit ([commit](https://github.com/miguelgrinberg/python-engineio/commit/0c15cdc29ff130dba2887f5bfc2623f57b4fb45c))
- Use the correct text type for upgrade probes in both Python 2 and 3 [101](https://github.com/miguelgrinberg/python-engineio/issues/101) [#265](https://github.com/miguelgrinberg/python-engineio/issues/265). ([commit](https://github.com/miguelgrinberg/python-engineio/commit/4f0b4ea83298701a2e192c1e42fc3e917f1ee989)) (thanks **Sam Brightman**!)