Another bad auto-import

Remove bad tkinter UNITS line from an autoimport

Add Charger as switch. Add attributes for charge rate and status. No …

…service yet

Change to state class "total". Style updates. Better naming for Total…

…Usage, MainsTo/FromGrid

Hotfix for outlet API changing

Hotfix for outlet API changing

Fix for bad fix, add back SOURCE_IMPORT

Remove undefined variable

Only main and balance can be negative. Update sensor names to drop Po…

…wer. Require HA 2021.9.

Use pyemvue 0.15.0