Changed db to stat_db. Added region to saving summoner. Added missing quotes in summoner_by_name.
Changed to DatabaseSingleton as metaclass, see docs for info. Added path creation. Made asssertion account for multi-value primary keys during creation. Made filepath changeable. Made class creation hinge on the database name (see DatabaseSingleton).
Removed references to FileWrapper, dropped in favour of db. Added region to saving summoners.
Added db name to db creation.
Added DatabaseSingleton class.