CaPriCe32 v2.00b2

- added auto-(re)insert of DSKs for CPC drives A & B on emulator start-up
- added error checks & prompts for DSK/SNA load
- added graphics driver selection to .CFG file
- added screen doubling (i.e. true mode 2 resolution) via stretch, 50% and
  100% scanlines
- added full-screen mode (i.e. removes GUI); toggle via '~' key
- added FPS/speed display
- added sound card driver selection to .CFG file
- reduced joystick driver selection to relevant options
- fixed file selector scrollbar problem with large number of files
- fixed 'sticky' GUI controls
- fixed colour palette

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CaPriCe32 v2.00b1

- switched to the Allegro library for all I/O, graphics, and sound
- new mouse driven GUI with a little help from MX-Windows
- AY sound emulation no longer produces audible 'breaks' and 'pops'
