Version 3.0, for the 23rd March YouTube video

Further updates for the third POV follow-up video, https://youtu.be/aDUI8uJaHpc

Includes OKLab colour handling and hidden line removal / back-face culling for the 3D objects.

v2.0, as used in the 10th March YouTube video

This is the latest update to the 'Weird POV Effect' program, as used in this YouTube video:

https://youtu.be/GG20_zP1Dhc

v1.0, as used in the follow-up YouTube video

Full Changelog: https://github.com/ChrisBLong/POV/commits/follow-up-v1.0