Fastcore

New Features

- Custom raise message helper ([419](https://github.com/fastai/fastcore/pull/419)), thanks to [muellerzr](https://github.com/muellerzr)
- make `docments` handle delegates ([418](https://github.com/fastai/fastcore/pull/418)), thanks to [hamelsmu](https://github.com/hamelsmu)
- Add a `nested_callable` and `getcallable` util ([417](https://github.com/fastai/fastcore/pull/417)), thanks to [muellerzr](https://github.com/muellerzr)
- Add dataclass to docments ([413](https://github.com/fastai/fastcore/pull/413)), thanks to [MarkB2](https://github.com/MarkB2)
- Use docments ([387](https://github.com/fastai/fastcore/pull/387)), thanks to [muellerzr](https://github.com/muellerzr)

Bugs Squashed

- `test_sig` returns NameError: name `test_eq` is not defined ([372](https://github.com/fastai/fastcore/pull/372)), thanks to [ababino](https://github.com/ababino)

New Features

- backport shutil pathlib compat ([416](https://github.com/fastai/fastcore/issues/416))
- handle plain files in `untar_dir` ([412](https://github.com/fastai/fastcore/issues/412))

New Features

- Add initial value for product and sum on L ([406](https://github.com/fastai/fastcore/pull/406)), thanks to [radekosmulski](https://github.com/radekosmulski)
- add ppretty print repr to AttrDict ([403](https://github.com/fastai/fastcore/pull/403)), thanks to [hamelsmu](https://github.com/hamelsmu)
- Raise better error when a config isn't found ([394](https://github.com/fastai/fastcore/pull/394)), thanks to [muellerzr](https://github.com/muellerzr)

Bugs Squashed

- Bugfix handle edge case when we have string in list and want to flatten ([410](https://github.com/fastai/fastcore/pull/410)), thanks to [Salehbigdeli](https://github.com/Salehbigdeli)

New Features

- numpy-style docstring support for `docments` ([405](https://github.com/fastai/fastcore/issues/405))

New Features

- py310 annotation support ([402](https://github.com/fastai/fastcore/issues/402))
- add `set_nested_idx` ([401](https://github.com/fastai/fastcore/issues/401))

New Features

- Support union types with `|` in `typedispatch` and `patch` ([397](https://github.com/fastai/fastcore/issues/397))
- Support py3.10 annotations ([396](https://github.com/fastai/fastcore/issues/396))

Bugs Squashed

- fix missing import for `get_source_link` ([392](https://github.com/fastai/fastcore/pull/392)), thanks to [hamelsmu](https://github.com/hamelsmu)