Sugarbox v0.29

This release is mainly focus on the PLUS emulation, and a more precise sound emulation.

Version is available here :

What's new :

- Complete PLUS family support : 464+, 6128+, GX4000. All ASIC functions are supported (making modern demo like  CRTC3? or  Eerie forest  functionnal).
- SNA v3 is supported, with BRKS chunks (breakpoints generated by RASM or Winape)
- Various fix on full screen management (should not crash anymore)
- Various fix on DSK management. More dumps should be analyzed correctly
- IPF support : Generated IPF file should be more reliable (no more crash with Samdisk or DTC from kryoflux)
- Joystick support is better
- Sound have been reworked.