OpenVGDB 19.0

Fixes for many reported missing covers and added some NES Tengen variants.

OpenVGDB 18.0

Fixed LYNX for real this time. Added 64KB header back.

OpenVGDB 17.0

Fixed LYNX

OpenVGDB 16.0

Added 2600, NDS, PCECD/TG16CD (limited), PS1, PSP, SAT, SCD

OpenVGDB 15.0

Corrections from @challen-

OpenVGDB 14.0

Added MAME 0.149 set. Thanks @iytt

OpenVGDB 13.0

Cover mismatches corrected after data reimport.

OpenVGDB 12.0

v12.0

Initial commit

OpenVGDB 11.0

v11.0

Initial commit

OpenVGDB 10.0

v10.0

Initial commit