Major: 0.0.359

New Features:
1. Add playlist view.
Major: 0.0.360

New Features:
1. Support playlist plugin.
2. Refactor KNMusicViewer, remove all the other no use class
declaration.
Major: 0.0.361

New Features:
1. Calling the signal functions straightly. So that we can remove some
functions.
Major: 0.0.362

New Features:
1. Add Music Collector Info Manager Base class.