indentation edits and copy pyrimid from contrib (where I had made some edits), removed so this wont happen again.

Plus a few styling enhancements.

[[Split portion of a mixed commit.]]

MAde some changes for future improments. Basicly conserning transferring mmultires data between blender and 3d-coat.

Fixed an error. It was asking image.filepath even if there was no image. Now make sure that image is always assing it before this call.

material.pop(0) into material.pop(0,1)

[[Split portion of a mixed commit.]]

- remove/comment unused variables
- remove unused imports
- fixed some bugs using incorrect variables

-Fixed Blender_export issue. Thanks to Perfection Cat providing the fix.

-fixed the bug when two or more objects dosen't have materials.

Update the script to work with latest trunk. Still some bugs when "remember position" = On, but much better than before.