Move files one level up in folder hierarchy
Fix fetchedResultsController updater: lazy getters weren't called. Return number of deleted objects in deleteObjectsMatchingPredicate methods
NSOperation/GCD for simple persistence actions
Do not require a storeFileName when the used store type is InMemoryStore
Be more explicit about concurrency type of created child context
Dispatch success/error blocks on main queue
Fetch the first object matching a given predicate. Let PersistenceOperation decide if context should be saved
Merge branch 'master' of https://github.com/PocketScientists/PSCCoreDataStack
Merge pull request #7 from myell0w/master

FetchedResultsControllerUpdater now really works ;)