is_in_state test and region separator error check in region
fix self transition in region
fix in state guard
work on alarm clock fast keystroke feature, move to sub region support parent syntax, empty regions allow declarations, alarm clock fsm split into internals
Merge branch 'concurrent_field_pattern'

Conflicts:
	Tests/testsuite/positive/is_in_state_test.n
	Todo.n
timed events start by enter, smart check for reuse timer interval
timed events and history
simple state history error
fix many actions bug
event lists with distinct events
fix sorting of concurrent states, finish alarm clock example
fix projects, fix concurrent states and do activities test
fix history and timed events and timed events and self transitions
sync and add diagrams, improve AlarmClock example
simplify IsInState
fix 0 printing in calculator example
fix FastKeystroke example
work on cfp