V5.3: 06-Jan-2022 by wavemotion-dave
- Added MSX config to set BIOS on per game basis.
- Added MSX config to set mapper type.
- Upgraded Config Database to 800 entries.
- Upgrade High Score Database to 575 entries.
- Upgrade roms per directory to 1024 entries.
- Autodetect between CV and MSX .rom files.
- Revised MSX controller map for better game support.
- AY optimization so MSX games run faster.