AFNetworking/AFIncrementalStore — pull request #134 by alvinhu (2012-12-28 15:27:28+00:00)
Title: relationshipValue in backingObject get lost while updateBackingObject

The method `updateBackingObject` transfer the relationship value of managedObject into backingObject. There is a typo that a nil value `mutableBackingRelationshipValue` is transferred. So the existing relationship value of backingObject get lost after this method.