Also put the export part back into the main
Illustrator script

Also update the Blender scripts to use red/green/blue areas
instead of light and dark ones. This also allows for
three colors now.

Kleiber's Law dictates that metabolic rate scales
with the 3/4ths power of mass, rather than linearly.

Also update the Illustrator scripts

Also adds an Illustrator script that automatically
handles all of the tracing