Newer versions of libextl and libtu
More specifically name WGroup's
Make 'contrib' a normal folder rather than a git submodule
Include notionflux in the main repo instead of its own submodule
Include mod_xinerama instead of using submodules
Include mod_xrandr instead of using submodules
Include mod_xkbevents instead of using a submodule
Better error message
Simple lua repl for testing