Get -allKeys working again.
Just select the columns we need.
Support deletion
More tests
DRY some shit up
Embeded transactions
Added -keysWithAttribute:error:
Just use NULL as the sentintel.
Rename errrrything.
Docs and renaming.
Reified changes
Support for collection-level changes
Could be nil for the first insert lol
Test collections.
Added -keysAndValuesWithAttribute:error:
Now a framework with legit tests!
Fixed some bugs
Fixed some store isolation problems.
Test the changes signal.
Support a schema-like thing.