TODO

 + Allow selection of different ports when loading an aircraft
 + Label push/pull
 + Check all mapping texts, especially pnp
  + Dataref-Array for SubLayer e.g. general array dataref for XMidiCtrl
 + Add filter for log types in windows
  + Controlling button LEDs using a bitwise and on a dataref such as for sim/cockpit/autopilot/autopilot_state which is a bitfield.
  + Add design mode
 + Check Range mode for encoders
 + Check default encoder mode
 + Add option to repeat commands while a button is held down