Update all the wiki images.
Update the docs to add in rounding and fix some errors in parameters.
Update docs and images from changes to rounding.
Huge update to use a size array instead of widht/length/height variables.
Update docs with escher lizard and voronoi.
Update docs from new code.
Update the docs with the material colours.
Add in dice and $inner_width, $inner_length to children.
Change around the wall/lid and floor defaults.
Move the files around to make it not one huge file with everything in it.