Release v1.2.2

• [change] Change default voxel size to 0.1 meters
• [fix] Fix face vertex order
• [fix] Fix meshing edge case where the voxel hull splits the grid area
• [feature] #1 Limit material per color creation to only include used colors
• [feature] #1 Load remaining material properties in blender compatible ranges
• [feature] Significantly improve memory footprint using sparse arrays (for unfilled grids)
• [feature] Improve overall import performance