Add Space key to cache file name generation.
Seed database tool fetches all relevant data now.
Added sample app for seed database example.
Extracted NSFetchedResultsController handling into separate data source class.
Remove no longer implemented delegate protocol.
Added missing import.
Extracted CoreDataManager setup code to its own category to avoid duplication.
Create a convenience method for using initial seed data.
Do not fetch assets twice.
Methods for accessing cached data of specific assets.
Make the cache directory accessor public.
Update the initial seed data example.

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