LuluWalls

@Eneroth3 I've upgraded many of the methods in solids.rb. Please review the code and let me know what you would like to change/update/throw away. [https://github.com/LuluWalls/Improved-Eneroth-Solid-Tools](https://github.com/LuluWalls/Improved-Eneroth-Solid-Tools) I was hesitant to branch...