Added a screw generator script, WIP
Added constants.scad to house all mathematical contants, and added deg(angle) to math.scad
Added curves.scad, includes helix_curve() ATM
Added involute_gears.scad from http://www.thingiverse.com/thing:3575
Updated README to include all files
Intermediate commit
Added copyright statement
Clarified the licenses in use in this library, has GPL2 and GPL3 which are incompatible
Resolved the license mess
Added NEMA stepper outline code from http://github.com/zzorn/FunRap
Some adjustments to the new files
A small typo
Replaced bearings.scad with bearing.scad (from http://github.com/zzorn/FunRap)
Added a switch to generate bearing outlines for hole cutting etc.
Added utilities.scad from http://github.com/zzorn/FunRap
Changed to LGPL, since all the code is now compatible
Initial code for testing, WIP
Added testing infra using py.test. Catches parse errors already, but stl compiling tests fail
Merge pull request #21 from D1plo1d/master

Capture MCAD work by D1plo1d