Libraries for Beziers and paths for openscad.

This requires a version of openscad that has the concat function.
It contains a function (in bezier.scad) to generate a bezier curve. This should work with any number of dimensions or points, but will obviously get slower with more points.

It also contains various modules for making objects follow paths in paths.scad. Note that I haven't produce stls of them and they will likely take a while to produce.