Release 0.4

Graphics routines contributed by @toncho11!
This is a release of the Lua 5.1.5 integer-only version.

There is also the experimental full Lua 5.5 (which includes floating point support), without changes from previous 0.3.

What's Changed

• First implementation of VGA support. by @toncho11 in #3

New Contributors

• @toncho11 made their first contribution in #3

Full Changelog: 0.3...0.4