Fastapi

* Add typing information to package including file `py.typed`. PR [209](https://github.com/tiangolo/fastapi/pull/209) by [meadsteve](https://github.com/meadsteve).

* Add FastAPI bot for Gitter. To automatically announce new releases. PR [189](https://github.com/tiangolo/fastapi/pull/189).

* Upgrade OAuth2:
* Upgrade Password flow using Bearer tokens to use the correct HTTP status code 401 `UNAUTHORIZED`, with `WWW-Authenticate` headers.
* Update, simplify, and improve all the [security docs](https://fastapi.tiangolo.com/tutorial/security/intro/).
* Add new `scope_str` to `SecurityScopes` and update docs: [OAuth2 scopes](https://fastapi.tiangolo.com/tutorial/security/oauth2-scopes/).
* Update docs, images, tests.
* PR [188](https://github.com/tiangolo/fastapi/pull/188).

* Include [Hypercorn](https://gitlab.com/pgjones/hypercorn) as an alternative ASGI server in the docs. PR [#187](https://github.com/tiangolo/fastapi/pull/187).

* Add docs for [Static Files](https://fastapi.tiangolo.com/tutorial/static-files/) and [Templates](https://fastapi.tiangolo.com/tutorial/templates/). PR [#186](https://github.com/tiangolo/fastapi/pull/186).

* Add docs for handling [Response Cookies](https://fastapi.tiangolo.com/tutorial/response-cookies/) and [Response Headers](https://fastapi.tiangolo.com/tutorial/response-headers/). PR [#185](https://github.com/tiangolo/fastapi/pull/185).

* Fix typos in docs. PR [176](https://github.com/tiangolo/fastapi/pull/176) by [chdsbd](https://github.com/chdsbd).

* Rename *path operation decorator* parameter `content_type` to `response_class`. PR <a href="https://github.com/tiangolo/fastapi/pull/183" target="_blank">#183</a>.

* Add docs:
* How to use the `jsonable_encoder` in <a href="https://fastapi.tiangolo.com/tutorial/tutorial/encoder/" target="_blank">JSON compatible encoder</a>.
* How to <a href="https://fastapi.tiangolo.com/tutorial/tutorial/response-directly/" target="_blank">Return a Response directly</a>.
* Update how to use a <a href="https://fastapi.tiangolo.com/tutorial/tutorial/custom-response/" target="_blank">Custom Response Class</a>.
* PR <a href="https://github.com/tiangolo/fastapi/pull/184" target="_blank">#184</a>.

* Add docs for <a href="https://fastapi.tiangolo.com/tutorial/security/http-basic-auth/" target="_blank">HTTP Basic Auth</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/177" target="_blank">#177</a>.

* Upgrade HTTP Basic Auth handling with automatic headers (automatic browser login prompt). PR <a href="https://github.com/tiangolo/fastapi/pull/175" target="_blank">#175</a>.

* Update dependencies for security. PR <a href="https://github.com/tiangolo/fastapi/pull/174" target="_blank">#174</a>.

* Add docs for <a href="https://fastapi.tiangolo.com/tutorial/middleware/" target="_blank">Middleware</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/173" target="_blank">#173</a>.

* Make Flit publish from CI. PR <a href="https://github.com/tiangolo/fastapi/pull/170" target="_blank">#170</a>.

* Add documentation about handling <a href="https://fastapi.tiangolo.com/tutorial/cors/" target="_blank">CORS (Cross-Origin Resource Sharing)</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/169" target="_blank">#169</a>.

* By default, encode by alias. This allows using Pydantic `alias` parameters working by default. PR <a href="https://github.com/tiangolo/fastapi/pull/168" target="_blank">#168</a>.

* Upgrade *path operation* `doctsring` parsing to support proper Markdown descriptions. New documentation at <a href="https://fastapi.tiangolo.com/tutorial/path-operation-configuration/#description-from-docstring" target="_blank">Path Operation Configuration</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/163" target="_blank">#163</a>.

* Refactor internal usage of Pydantic to use correct data types. PR <a href="https://github.com/tiangolo/fastapi/pull/164" target="_blank">#164</a>.

* Upgrade Pydantic to version `0.23`. PR <a href="https://github.com/tiangolo/fastapi/pull/160" target="_blank">#160</a> by <a href="https://github.com/euri10" target="_blank">euri10</a>.

* Fix typo in Tutorial about Extra Models. PR <a href="https://github.com/tiangolo/fastapi/pull/159" target="_blank">#159</a> by <a href="https://github.com/danielmichaels" target="_blank">danielmichaels</a>.

* Fix <a href="https://fastapi.tiangolo.com/tutorial/query-params/" target="_blank">Query Parameters</a> URL examples in docs. PR <a href="https://github.com/tiangolo/fastapi/pull/157" target="_blank">#157</a> by <a href="https://github.com/hayata-yamamoto" target="_blank">hayata-yamamoto</a>.