Greenletio

- Add green versions of select and selectors modules ([commit](https://github.com/miguelgrinberg/greenletio/commit/1269447cc2e997a73dadb1977784b06c7fe914e4))
- Added `greenletio` command to patch scripts from the CLI ([commit](https://github.com/miguelgrinberg/greenletio/commit/4e9e14eac237c4f720a1d16e7e14744d124d3209))
- Address duplicated attribute name ([commit](https://github.com/miguelgrinberg/greenletio/commit/9f24d329b6dc62d9cb414ac6fd727d5453b81b20))
- Fix typo [13](https://github.com/miguelgrinberg/greenletio/issues/13) ([commit](https://github.com/miguelgrinberg/greenletio/commit/db38bd2c5315cd0b9d515665f19256424fe655ee)) (thanks **David Brochart**!)
- Restore Green Functions section in the documentation ([commit](https://github.com/miguelgrinberg/greenletio/commit/b739cb1284bf3125f13e765d7c773cc776f60e40))
- Address a few new linter errors ([commit](https://github.com/miguelgrinberg/greenletio/commit/e034bffaf4659539f54f9a0e985e27a76dca4706))
- Migrate Python package metadata to pyproject.toml ([commit](https://github.com/miguelgrinberg/greenletio/commit/aa9b82da69408d8e6d8df5f43a02aa98797050a3))
- Drop support for Python 3.6 ([commit](https://github.com/miguelgrinberg/greenletio/commit/1beef9814018770489dad22fb85c2149f31fc9e5))

- Minor refactoring for added clarity ([commit](https://github.com/miguelgrinberg/greenletio/commit/8b7413866dfcb682e304814aa605ff5c7399ec64))

- Optionally preserve contextvars in `async_` decorator [10](https://github.com/miguelgrinberg/greenletio/issues/10) ([commit](https://github.com/miguelgrinberg/greenletio/commit/620cb485e8485408cf97c7e7cbc8adcb58e34796))
- Functions wrapped with `async_` are now proper coroutines ([commit](https://github.com/miguelgrinberg/greenletio/commit/be7a59a74986ec098302f4762adbe4dbfd2396fc))
- Add python 3.10, 3.11 and pypy 3.8 to builds, remove Python 3.6 ([commit](https://github.com/miguelgrinberg/greenletio/commit/5fad25fb342805340aef9264e0228c914310d244))
- Add a context switching benchmark ([commit](https://github.com/miguelgrinberg/greenletio/commit/66d57e5c89cc6e01951ae8b4c7de6a1e3dde6657))

- Simplified the `async_` and `await_` functions ([commit](https://github.com/miguelgrinberg/greenletio/commit/0469db503fdc6fe16685830d9ba25d849e8967af))
- Raise a `RuntimeError` when `await_` is used in the asyncio thread ([commit](https://github.com/miguelgrinberg/greenletio/commit/e7c675fbf35d0709d0e9093f1e820f3781394921))
- API reference documentation section ([commit](https://github.com/miguelgrinberg/greenletio/commit/8cd00033da0b52a858d3fe4cf3d5ece3463b6c52))
- Documentation updates ([commit](https://github.com/miguelgrinberg/greenletio/commit/e547fccb018b272f32d308bd4b865cf93d4f09d4))

- Fixes for Windows ([commit](https://github.com/miguelgrinberg/greenletio/commit/aad9e42f597d9a0c4c05d0267bafeef10c84601a))
- Fix timing errors in unit test ([commit](https://github.com/miguelgrinberg/greenletio/commit/70f669541f5139136723ff98b2d77d8fd9d60648))
- Improved project structure ([commit](https://github.com/miguelgrinberg/greenletio/commit/85877cb37137e83af5ff0bfa8e57f094477766de))
- Documentation ([commit](https://github.com/miguelgrinberg/greenletio/commit/9818c6036689811badfc5d6149f5398306b20565))
- Switch to github actions for builds ([commit](https://github.com/miguelgrinberg/greenletio/commit/d94af9856c7ae1d8fa539e01337e61c8fa690434))

- Handle pending I/O better in `async_` function ([commit](https://github.com/miguelgrinberg/greenletio/commit/2c1ab23a3a969db6258d52ca52258ad5e4ef45b6))