app_or_default now returns the app that was instantiated last instead of the default (if any).
app_or_default now returns the app that was instantiated last instead of the default (if any).

cbrepo/celery,ask/celery,cbrepo/celery,frac/celery,frac/celery,ask/celery,WoLpH/celery,WoLpH/celery