Item12458: fix op_ref in search queries; fixed $flatten().


git-svn-id: http://svn.foswiki.org/trunk/DBCachePlugin@16640 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12458: up version number


git-svn-id: http://svn.foswiki.org/trunk/DBCachePlugin@16641 0b4bb1d4-4e5a-0410-9cc4-b2b747904278