Add unique IDs (#54)
Add unique IDs (#54)

* Add unique IDs:
  - Pull and store the GUID from the XML
  - Pull and store the UUID for all entities except OccupancyGroups

This will enable the generation of consistent unique IDs for platforms like HomeAssistant.

Co-authored-by: cdheiser <d96a03f94f276cabf27d65bc328c26750041224c@users.noreply.github.com>
thecynic/pylutron