added randomize and save to file of unaltered 9patch
theoretically protected against deleting some fabrics causing bounds overrun on options load
3x3 quilt preview with rotateable blocks working, plus saves prefs of it
fixed bug in reset rotation of 2nd panel. rearranged panels and finalized UI. set it up so that rendering of high-quality quilt ALMOST works
smaller square previews are an option now, along with some other enhancements
final quilt save&output works with higher-res quilt now.. 1920x1080 SHOULD work, will try tomorrow.
ninepatch displayed cut-up, allows rotations using keyboard and saving.
previous settings are now saved to settings.json on changes and loaded on startup