0.86: CladosCalculator - Basic Ops on all DivFields

This calculator is finally at a stage where it shows the intent of most objects and methods in the clados library. The contraction / compression methods in nyads aren't ready yet and reference frames are merely sketched out, but the basics around addition, multiplication, and a number of involutions are done.

Take a look at the folder layout to see the expectations for config and save file locations. I haven't written a fancy installation layer yet and might not bother, so feel free to move things to where you need them. Basically, the jar assumes the config file is nearby in ./conf.

The clados library is currently compiled into the calculator. Some day I'll stop doing that and the calculator will look in ./lib for it. Or the classpath. Whatever is the Correct Way.