Pylutron

What's Changed
* Return callback to unsubscribe to entity by joostlek in https://github.com/thecynic/pylutron/pull/93

New Contributors
* joostlek made their first contribution in https://github.com/thecynic/pylutron/pull/93

**Full Changelog**: https://github.com/thecynic/pylutron/compare/0.2.12...0.2.13

- Add support for legacy_uid property to create unique ids for firmware where UUIDs are not present in the xml.

Minor update with support for:

- Fade Time on output devices
- Flashing for output devices

This small update inclues:
- Support for button double-clicks
- Support for the Grafik T Hybrid Keypad
- Detection of additional non-dimming loads