Add vacuum method; add get_db_info method that returns some info about the database such as total object count, indexed keywords, available object types, count breakdown by type.
Add vacuum method; add get_db_info method that returns some info about the
database such as total object count, indexed keywords, available object types,
count breakdown by type.


git-svn-id: 9d763a2146cc7918956fa045a5de4b112f309167@1493 a8f5125c-1e01-0410-8897-facf34644b8e

freevo/kaa-base,freevo/kaa-base