1.2

• now playlist history always saves (closes #34)
• added "Clear playlist" button (removes everything except current track)
• changed setting "Clear playlist when opening a new file" to "Start playing when opening a new file", so if it is OFF, new track will be just silently added to your playlist
• fixed upper "playlist track move arrow" of <currentTrackIndex - 1> track not showing
• added auto-scroll to current track in playlist when it starts playing