Clarify our licensing
Fixed race on current_submission printing
current_submission not set to None on all paths.
@Xyene wants -1 to be IR
Send positive code for IR
Key is never going to be printed
Initial work on interactive executor
Whoops
Ensure files exist before reading them
Fix exec call
Remove  obsolete kwarg
Remove more obsolete stuff
Interactive is hard
Gah I broke standard
Gah I broke standard
Attempt fix
Fix again
Debug interactive
Debug interactive
Debug interactive