Mega Blaster Firmware 3.0

This firmware release features a brand-new VGM parsing engine with drastically higher performance and a few major bug fixes.
Standard Megadrive VGM files with write-heavy portions no longer suffer from noticeable slowdowns and the tempo of every track should now be accurate.

MegaBlaster Firmware 2.1

Merge branch 'master' of github.com:AidanHockey5/STM32_VGM_Player_YM2…