Many thanks to @skillt3ch for requesting these features!
#60 - Added scrollbar thumb / knob to playlist
The playlist views will now always display a scroll bar with a thumb / knob, to make browsing large playlists easier.
#61 - Keyboard Shortcut: '⌘+A' to select all playlist items
The user can now easily select all playlist items with the '⌘+A' keyboard shortcut.