- Add HalfLine geometry.
- Modify
__repr__
for ConvexPolygon. - Add Sphere, Cylinder and Cone class method for ConvexPolyhedron.
- Add Circle classmethod for Convexpolygon.
- Minor fix on Plane's normal vector, the normal vector is normalized at initialization.
- Major fix on spelling error on "polygon" which was "polygen".
- Modify structure for files.