Fastcore

New Features

- Support documenting args and kwargs ([660](https://github.com/AnswerDotAI/fastcore/pull/660)), thanks to [Isaac-Flath](https://github.com/Isaac-Flath)
- Update Config to support ConfigParser keyword arguments ([659](https://github.com/AnswerDotAI/fastcore/pull/659)), thanks to [ncoop57](https://github.com/ncoop57)

New Features

- Add `L.groupby` ([658](https://github.com/AnswerDotAI/fastcore/issues/658))

Bugs Squashed

- `splitlines` mis-spelled ([656](https://github.com/AnswerDotAI/fastcore/issues/656))

New Features

- Handle tuples in `groupby` ([654](https://github.com/AnswerDotAI/fastcore/issues/654))

New Features

- Add `cmp` and kwargs to `sort_ex` ([652](https://github.com/AnswerDotAI/fastcore/issues/652))

New Features

- Add `last` ([651](https://github.com/AnswerDotAI/fastcore/issues/651))