* unused things
* !!! actual bug !!!
* dead
* unused
* unused
* multi-bus lua RX was just broken
* make the compiler angry about it
* dead config
* alphax 2
* just call, no store
* compiler too angry
* Create a base class EngineModule for that contains various useful callbacks.
This cleans up the API by not requiring the notifiers to know about who wants callbacks. The only
place you need to update to add a module is in one place.
* Add mockability.
* Convert InjectorModel to a Mockable EngineModule