pydcs_extensions.__init__ wasn't actually doing anything because without an __init__.py each of these "packages" was empty. This has been working by accident because of ai_flight_planner_db.py.
Added VSN F-4 Mod support
Adding the OV-10A Bronco Mod to develop.
This cruft doesn't need to be in game.db, it can be kept with the mod support code.