v0.0.9

Added

• Support for Material.flatShading to render flat-shaded materials.
• Support for randomization using Owen-scrambled and shuffled Sobol values enabling sample stratification and image in fewer samples.
• Support for directional lights, point lights.

Fixed

• Roughness and metalness maps not being assigned correctly.
• Case where textures using shared "Source" with different encodings were not treated as unique.
• Spot Lights no longer have a dark hot spot.

Changed

• Move "random" functions around.