Some optimizations and Ctrl will escape the script properly if you want to skip merging the islands.
Thanks to Melchior FRANZ for the report and debug blend
Update image loader, optional arg for not autocreating the image. - aslo removed some stuff that shouldent have been left in.
Workaround for a bug in Blender.sys.exists()... should fix soon.
For anyone who is interested in boxpacking the logic isnt
that complex and lscm could benifit from using it.
Archimap will use this rather then having the boxpacker inline.