Version 2.19.5.2

v2.19.5.2
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On HARD reset, spritres are now cleared
On HARD reset memory is cleared/roms reloaded
ULA line is now always cleared if enabled
Cleaned up debugger DIVMMC/NextRef layout
F8 now toggles VSync
Added new IFileIO interface to Plugin system
New [Function] attribute to allow cross plugin calling
Added cross plugin calling via a new "Execute()" command.
Internal refactor of esxDOS plugin to allow filesystem replacements
NEX file handle passing to z80 changed to use new inter-plugin calling system
Icon added to CSpect Window Title Bar