ISO Loader 0.8.x Beta + preview of DreamShell v4.0 RC 5

[SWAT]

New build: https://github.com/DC-SWAT/DreamShell/re...0.0RC5-T23

- Used PIO sample reading from IDE for SQ mode. It fixed freezes in UT, Millenium Soldiers, also maybe KAO more stable work with SQ because I see DMA errors in interrupts in this game too. But if it good works with DMA you can use it, I handle all errors.
- New channels restore algorithm, should be even less distortions in all games.
- Fixed In-game (KATANA) heap mode.

I tried to fix Toy Commander, but this game is fighting me for channels too much. It starts up fine, but then the sound becomes bad.
4x4 still freezes at end of track playback. Hard to debug it, need more time it's special case.
For Millenium Soldiers need use PIO mode for data and SQ for CDDA, works well for me.

If the rest of the games that worked will be all right, I'll probably stop dev the CDDA functionality for a while.
Right now it's works well for me in a bunch games so I want to save it as is for 0.8.0 release. But need test more, I can miss something.