Bugfix release.

1. remove legacy >where("firstname", Array ('LIKE' => '%John%'))
2. Add getValue() method for models
3. FIX #800 joinWhere() not using $prefix
4. support Chinese characters in orderBy
5. Set db->count with affected_rows on delete
6. Bring up the $totalCount in dbObject::paginate()
7. Keep objects mapped (#763)