A stab at using sqlite.
Merge branch 'master' into sqlite

Conflicts:
	DatBase/DABAppDelegate.m
More sqlite work.
Got stuff kinda working.
Back to per-thread databases.
Per-thread database.
Surface errors.
Updated all the queries.
This is lulzy atm.
Hey get the actual result back!
Log errors.
Assert some things.
Support different types of transactions.
De-duplicate keys per transaction.
Measure in adds/sec.
Select a specific column.
Merge branch 'master' into sqlite
Merge branch 'sqlite'