Notable Changes
- Added dithering (active by default)
- New color space - KMUNK(pigment-like mixing via Kubelka-Munk theory)
- New color space - IPTo(optimised IPT, 2021)
- Fixed posterised gradients not showing the last color
- Fixed subregion rendering (i.e. setRenderTarget(PApplet p, int offSetX, int offSetY, int width, int height))
- Fixed visual jaggies in some gradients (#17)