Fire the keyCode as the browser does.
Implement the event listeners for keyUp and keyDown.
Include shortcut manager in editor.
Move keyboard shortcuts into own module/directory and put tests in there too.
Remove console.log
More explicit tests.
Make invalid shortcuts not mess up.
Make also other shortcuts NOT starting with Meta work.
Refactor to more generic first key handling.
Implementing some edge cases about shortcuts.
Remove explicit mapping for letters, use more generic String.fromCharCode().