v2.0
Fixes and new features in version 2.0:
* Now allows selection between two card sizes.
* Fixed problem with digit separators in the Select Game dialog.
* Fixed a smart-dragging bug in Spider that could occur after a deal from the stock.
* Now uses standard C++ library Mersenne Twister 19937 generator (64 bit) for shuffles.
* All artwork now supports Retina displays with high-resolution images.
* Supports new toolbar/title bar arrangements.
* Supports new dark mode.
* Supports macOS 11.x.
