0.4

• improvements to roughness/metallicity map generation (controllable exponent, supersampling, etc)
• minor improvements to how ao generation and ao removal work
• ability to save inverted depth, positive displacement, and negative displacement, in addition to depth
• ability to stuff PBR properties into the alpha channel of the diffuse or normal exports
• ability to save tga instead of png
• ability to save/load the entire current setup
• various other small improvements