v0.3 - Game compatibility improvements
- Fixed gamepak thumb instruction timing (MarioKart: Super Circuit).
- Increase PPU clock to 50Mhz, and combining cycles to improve game compatibility (Super Mario Advance and many others)
- Make sure SRAM is disabled for EEPROM roms (NES Classic series).
- Optimize DMA timing to as fast as 2 cycles per word.
- Other fixes: EEPROM address bug.