fix: update code to work with sequencer API changes in Blender 3.X
fix: Error when calling grab sequence handles due to type mismatch
fix: remove FAST and FASTER playback speeds, simplify playback speed code
fix: rewrite select_all_left_or_right after API change causing error
fix: fix error with jump_to_cut when encountering animation frames
fix: fix jump_to_cut skipping some strip ends when moving forward in time
fix: jump_to_cut sometimes not working when going left
fix: error when trimming effect strips
chore: update license text upstream to match Blender's short format