Fix bug with registering local methods that got garbage collected due to django's weakref handling in signals.
Fix bug with registering local methods that got garbage collected due to django's weakref handling in signals.

zlorf/django-dbsettings,winfieldco/django-dbsettings,DjangoAdminHackers/django-dbsettings,sciyoshi/django-dbsettings,nwaxiomatic/django-dbsettings,helber/django-dbsettings,zlorf/django-dbsettings,DjangoAdminHackers/django-dbsettings,helber/django-dbsettings,nwaxiomatic/django-dbsettings,winfieldco/django-dbsettings,johnpaulett/django-dbsettings,MiriamSexton/django-dbsettings,johnpaulett/django-dbsettings,sciyoshi/django-dbsettings