v2.3.0
bugfix: setup.py - Don't delimit package specs
Fixups - Deprecations - display correct long argument - Minor spelling + linting
bugfix: Correctly generate thumbnails for alignments when frames are missing
Mask tool. Add ability to output custom imported masks
Deprecate multi-character cli switches
Adding tools.py as main script for using tools, as well as integrating all feature requests from #255 and #278 (#298)