User documentation fixes
Event documentation fixes
More user documentation fixes
Config documentation fixes
Add UserStateData.change() for protecting the user state from changes to null or undefined states
StateCreator documentation fixes
Fix the recently broken InteractionMachine.is_in_state()
Rename StateCreator to App
Rename App (previously StateCreator) .switch_state to .create_state
Remove no longer used files and skip ImTester tests (ImTester might be changing soon, still to be discussed)