Rewrite ReGeX in Kawa Scheme

[phikal]

The current code-base it unpleasant to work with, and I cannot use the necessary tools to properly maintain and test it.

I've recently been reading more about Kawa Scheme, a Scheme implementation based on the JVM that can be used to develop Android Applications.

Rewriting ReGeX in Kawa would allow for a much needed simplification and overhaul of the game modes, with a arguably more sane programming language that I don't need a massive IDE to use properly.

This issue will document the journey of porting ReGeX. When I get around to it, I shall also add a TODO list, collecting whatever has yet to be done.

Version 2.0 will be skipped (symbolically), and implementing this will directly result in version 3.0.