- changed instead of setting “Embedded” to nested materials in Aixterior/Megascans HDA(s), now also version upped the material HDA(s) corresponding to pre-&post namespace declaration
- changed syntax to PEP-8
- added prim group prompt selector for PBR texture sets/shader presets/Aixterior MAT/Megascans surface
- fixed minor issues
- fixed some weird indent errors (space/tab)
