I finally got my five-year-old code base for 'Grunt', an advanced Windows
runtime using Lua for shell scripting, ready for a proper public launch: https://github.com/JohnHind/Grunt
Oh, that seems very, very interesting!
Do I understand correctly, that MS ATL sources cannot be distributed with this standalone, so VS Express users probably have to install Windows Driver Kit  if they'd want to build?
Also, did you include, or would you consider including, the luaffi  project inside? I imagine that could help to add support for more Windows APIs as needed on-the-fly, without need for rebuilding the whole stack?