- change bl_options and rewrite invoke and draw functions to let floor creating window become more visual. credit: BLumia.
- also change 3ds max align and flatten uv presentation after changing creating floor window.
- seperate icon loader/unload module.
- use some laggy AST code to update BMERevenge generation method.
- after this change, BMERevenge become more programable and easy to create more complex models
- ready for wide floor generation development
- split blender material creation function.
- allow user to apply virtools material to blender nodes in operator.
- add quick group picker in add virtools group operator.
