- removed static vars _last_seq, last_imagename and last_sounddir, replacing them with with vars in the "Editing" struct. didnt manage to get the active sequence to load so currently thats lost when loading. - removed flag SEQ_ACTIVE - Added operators cut, mute, unmute, deselect_all, select_invert, select, select_more, select_less, select_pick_linked, select_linked and borderselect.