Changes

• Fix problem with switch going back to the current value before update to correct #296
• Bug show the wrong temp when have Shelly using Farenheight #287
• Add cache for Shelly cloud so it works with naming if Shelly cloud not is available
• Create a light entity when a device configured as light in the Shelly app #155
• Using the new entity classes in HA (backward compatible)
• Fix entry_id overwritten after a restart of HA when named to "_power" #257