Fastapi

* Document receiving <a href="https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#query-parameter-list-multiple-values" target="_blank">Multiple values with the same query parameter</a> and <a href="https://fastapi.tiangolo.com/tutorial/header-params/#duplicate-headers" target="_blank">Duplicate headers</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/95" target="_blank">#95</a>.

* Upgrade compatible Pydantic version to `0.21.0`. PR <a href="https://github.com/tiangolo/fastapi/pull/90" target="_blank">#90</a>.

* Add documentation for: <a href="https://fastapi.tiangolo.com/tutorial/application-configuration/" target="_blank">Application Configuration</a>.

* Fix typo in docs. PR <a href="https://github.com/tiangolo/fastapi/pull/76" target="_blank">#76</a> by <a href="https://github.com/matthewhegarty" target="_blank">matthewhegarty</a>.

* Fix link in "Deployment" to "Bigger Applications".

* Make development scripts executable. PR <a href="htthttps://github.com/tiangolo/fastapi/pull/76" target="_blank">#76</a> by <a href="https://github.com/euri10" target="_blank">euri10</a>.

* Add support for adding `tags` in `app.include_router()`. PR <a href="https://github.com/tiangolo/fastapi/pull/55" target="_blank">#55</a> by <a href="https://github.com/euri10" target="_blank">euri10</a>. Documentation updated in the section: <a href="https://fastapi.tiangolo.com/tutorial/bigger-applications/" target="_blank">Bigger Applications</a>.

* Update docs related to Uvicorn to use new `--reload` option from version `0.5.x`. PR <a href="https://github.com/tiangolo/fastapi/pull/74" target="_blank">#74</a>.

* Update `isort` imports and scripts to be compatible with newer versions. PR <a href="https://github.com/tiangolo/fastapi/pull/75" target="_blank">#75</a>.

* Update <a href="https://fastapi.tiangolo.com/async/#path-operation-functions" target="_blank">technical details about `async def` handling</a> with respect to previous frameworks. PR <a href="https://github.com/tiangolo/fastapi/pull/64" target="_blank">#64</a> by <a href="https://github.com/haizaar" target="_blank">haizaar</a>.

* Add <a href="https://fastapi.tiangolo.com/deployment/#raspberry-pi-and-other-architectures" target="_blank">deployment documentation for Docker in Raspberry Pi</a> and other architectures.

* Trigger Docker images build on Travis CI automatically. PR <a href="https://github.com/tiangolo/fastapi/pull/65" target="_blank">#65</a>.

* Add support for `UploadFile` in `File` parameter annotations.
* This includes a file-like interface.
* Here's the updated documentation for declaring <a href="https://fastapi.tiangolo.com/tutorial/request-files/#file-parameters-with-uploadfile" target="_blank"> `File` parameters with `UploadFile`</a>.
* And here's the updated documentation for using <a href="https://fastapi.tiangolo.com/tutorial/request-forms-and-files/" target="_blank">`Form` parameters mixed with `File` parameters, supporting `bytes` and `UploadFile`</a> at the same time.
* PR <a href="https://github.com/tiangolo/fastapi/pull/63" target="_blank">#63</a>.

* Add <a href="https://fastapi.tiangolo.com/async/#very-technical-details" target="_blank">technical details about `async def` handling to docs</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/61" target="_blank">#61</a>.

* Add docs for <a href="https://fastapi.tiangolo.com/tutorial/debugging/" target="_blank">Debugging FastAPI applications in editors</a>.

* Clarify <a href="https://fastapi.tiangolo.com/deployment/#bigger-applications" target="_blank">Bigger Applications deployed with Docker</a>.

* Fix typos in docs.

* Add section about <a href="https://fastapi.tiangolo.com/history-design-future/" target="_blank">History, Design and Future</a>.

* Add docs for using <a href="https://fastapi.tiangolo.com/tutorial/websockets/" target="_blank">WebSockets with **FastAPI**</a>. PR <a href="https://github.com/tiangolo/fastapi/pull/62" target="_blank">#62</a>.