Fixes #2: NSFetchedResultsController must be purged
Fixes #2: NSFetchedResultsController must be purged

It is unfortunate that we do not know the name of the cache, so we
blow them all away.

Signed-off-by: Jimi Xenidis <76b363d276dba42912c2eb4a024728f40d1d8033@pobox.com>

jimix/CDTDatastore,jimix/CDTDatastore,jimix/CDTDatastore