Major: 0.3.34

New Features:
1. Support playing files right in music tree view.
2. Support playlist information right display.
Major: 0.3.35

New Features:
1. Support a stable playlist remove.
Major: 0.3.35

New Features:
1. Using playlist delegate to fixed the editor’s size bug.
Major: 0.3.36

New Features:
1. Use a brand new way of set system and user data.