Feature
* Add function_header plugin ([`bb73eee`](https://github.com/mcbeet/beet/commit/bb73eeef0d984ca80cfd378ab2b0a99d89a33d47))
Fix
* Rename inline plugins ([`a6b7aaa`](https://github.com/mcbeet/beet/commit/a6b7aaa60d97bf203d771861effc0ee61425786d))
Documentation
* Add module docstring to inline plugins ([`d829d89`](https://github.com/mcbeet/beet/commit/d829d89c815c15b34dd51ac6e3a68d563906b3c4))