Typedal

Fix

* **SlugMixin:** Field should not be manually writable ([`4254b77`](https://github.com/trialandsuccess/TypeDAL/commit/4254b77bb39a426a02d96e7a95c598662e6db744))

Fix

* Bump `pydal2sql` for better CREATE statements (when a callable 'default' value is used) ([`28370f3`](https://github.com/trialandsuccess/TypeDAL/commit/28370f32828b1e7c6def039f109e2e8770a1a074))

Documentation

* More info about configuration and the cli ([`950295d`](https://github.com/trialandsuccess/TypeDAL/commit/950295d1003a053ffa9590292a8678435a379490))

Feature

* Added `Mixins` ([`75d69da`](https://github.com/trialandsuccess/TypeDAL/commit/75d69da1bb0ea73fa208dfda2328ca09719c4cc9))

Fix

* **deps:** Edwh-migrate 0.8 is release so don't depend on alpha version anymore ([`4b324ec`](https://github.com/trialandsuccess/TypeDAL/commit/4b324ec399786675636872850a616553911468c5))

Fix

* Don't add before_update/before_delete hooks if caching is disabled ([`2c15bf2`](https://github.com/trialandsuccess/TypeDAL/commit/2c15bf226281b39e8c0533c441eaab3d7142f6e6))