New features and improvements
* Windows support with automatic Visual Studio setup.
* New values for `--target` option for selecting Visual Studio version and
target architecture.
* New `--show` option for listing programs installed in a location.
* New `--patch` option for applying official patches for bugs in Lua (21).
* Documented `--downloads` and `--builds` options, may be useful for caching.
Fixes
* Fixed an error when a command failed when using Python 3 (15).
* Fixed error when running with `HOME` environment variable undefined (24).