Xformer10.10.2021.0101

Rollup of fixes since the initial Xformer 10 release from October 2018:

• rebuilt with latest Visual Studio 16.10.2 toolset and tested on Windows 11 preview release
• improved cycle accuracy in hardware emulation
• ability to toggle sound on/off
• memory efficiency improvements with Time-Travel mode
• improvement in PAL/NTSC auto-detection
• fix paddle direction