v0.5 - Bugfixing & more entities

Bugfixes:

• avoid setting displayName as NULL
• Filter dimmers from lights

Supported entities:

• Automations
  • trigger
• Buttons
  • press
• Climate
  • set temperature
• Cover
  • toggle open & close
  • set position with knob
• Dimmers (lights with brightness attribute)
  • on & off
  • set brightness with knob
• Lights
  • toggle on & off
• Scene
  • turn on
• Sensor
  • just visual representation of the state
• Switches
  • toggle on & off