Django-persistent-settings

Added
- `rine` parameter to `var` tag which defines what to render if `Variable` does
not exist.

Changed
- Fixed `management.commands` in `setup.py`.

Added
- A `ForeignKey` named `user` for model `User` to model `Variable`

Added
- `getvar` command
- `setvar` command
- `delvar` command

Added
- Python 3.8 support.

Added
- `_PickleField` to be used with `value` field of `Variable`. Uses `pickle`.

Changed
- Replaced `value_binary` with `value` in `Variable` model

Removed
- `value_binary` field from `Variable` model