Refactor menu bar, decrease number of lines.
Fix breaking everything with undo while drawing, add optimizing else's.
Make disabling of unusable items while transforming is being performed.
Support cut. Remove crude workarounds for copy&paste.
Fix a bunch of problems appeared after renaming a parameter.
Fix some of transformation incorrect behaviour, make most of the layers control disabled on transform.
Final disablity fixes during transform.
Now off to selection integration for filters/fill operations!