Saffier

Changed

- Add integration with the newly `databasez` 0.8.5+.
- Internal refactor of the registry.

Fixed

- CI integration.

- Support for `list` and `tuples` as a type for [model_apps](https://saffier.tarsild.io/migrations/migrations#using-the-model_apps).

Added

- Support for `model_apps` inside the `Migrate` object allowing
global discovery by application. This will make sure all apps will be properly
inspected.
- Add documentation about the new [model_apps](https://saffier.tarsild.io/migrations/migrations/#using-the-model_apps).

Changed

- Upgrade internal requirements.

Added

- New lazy loading settings system making it more unique and dynamic working side by side with `dymmond-settings`.

Changed

- Update internal `dymmond-settings` minimum requirement.

Changed

**BREAKING CHANGE**

Due to some internal compatibilities, Saffier is rolling back to `SAFFIER_SETTINGS_MODULE`
from `SETTINGS_MODULE`

- `SETTINGS_MODULE` was renamed to `SAFFIER_SETTINGS_MODULE`.