* Change config entry state to an enum
* Allow but deprecate EntryState str equality comparison
* Test fixes
* Rename to ConfigEntryState
* Remove str comparability backcompat
* Update new occurrences of strs cropped up during review
* Use SwitchEntity instead of ToggleEntity and adjust test patches as recommended
* Move async_create_entry out of try block in config_flow
* Patch pypi package instead of HA code
* Bump pylitterbot to 2021.2.6, fix tests, and implement other code review suggestions
* Bump pylitterbot to 2021.2.8, remove sleep mode start/end time from vacuum, adjust and add sensors for sleep mode start/end time
* Move icon helper back to Litter-Robot component and isoformat times on time sensors
Ville Skyttä
Nathan Spencer