Test involving elminating session.add().
Merge branch 'master' into herokutest
Reactivate SQLAlchemy echo.
Enable session.add().
Disable user last seen update.
Debug testing.
Sort unassigned units by unit id.
Fix Add/Remove unit calling convention.
Remove program from course detail rendering.
Print debug statement converted to log events.
Debug testing.
Testing.
Debug.
Testing.
Testing.
Testing.
Add SQL.
Debug.
Debug.
Debug.