Correct clip height for the files area
showEvents function, which can be used to hide the events from the timeline.
Bugfix: "rectSelected" property tester now works fine.
Stepwise undo in region command is added in plugin.xml. The handler stub code is added.
Partially implemented stepwise undo
Amend bug fix
Now the runtime history is amended, too.
Key binding for stepwise regional undo
Cancel compound change when the document or selection changes.
Finalize-related bug fixed.
Merge branch 'feature/regional_undo_shortcut' into develop