Bump version.
Write log file during processing.
Clean up log status messages.
Fix mask stack naming.
Allow choice of output format.
Fix mask output, allow selecting output format.
Fix mask writing.
Fix typo.
Clean docs, and remove dot from ext input.
Update for latest teamlucc preprocessing output.

Support handling of alternative formats.
Move to per-image processing - remove ability to process over image directories (too difficult to implement with varying folder structures).
Improve docs.
Clean up table formatting.
Merge branch 'development', and bump version.