Keep weak references to contexts requiring a refresh from main MOC.
Keep weak references to contexts requiring a refresh from main MOC.

Sully73/CoreDataStack,gaurav1981/CoreDataStack,binhho/CoreDataStack,gaurav1981/CoreDataStack,bignerdranch/CoreDataStack,bignerdranch/CoreDataStack,bignerdranch/CoreDataStack,binhho/CoreDataStack,Sully73/CoreDataStack,sugar2010/CoreDataStack,phatblat/CoreDataStack,phatblat/CoreDataStack,sugar2010/CoreDataStack