Fix issue of trying to create SQL hash table INDEX every time at close (should only be done once).
Updated schema prefixes and new names table, and changed version value to not have the "v".
Handle opening a kdb index as a db (which in turn means index only).
Update usage message.
Silence error about failed attempt to add a duplicate hash.
Added the id column to the hashes table.
Fix boolean flip-flop on tsk_hdb_hasindex().
Fix compiler warning.
Merge remote-tracking branch 'sam/hashdb_sqlite' into hashdb_sqlite