Django-fast-utils

- Fixed code smell in `get_prep_value` from `ListField`.

- Fixed middleware validation and verification.
- Added `DJANGO_FAST_UTILS` settings.
- Added `LogoutJWTApiView`.

- Changed imports.

- Added missing requirement.

- Added `LoginJWTApiView` allowing the JWT Token being protected via `httpOnly=true` cookie
and refreshing the token via `middleware`. [Docs here](./views/auth.md).

- Fixed typo in `PrefetchRelatedMixin`.