Add unicode metadata support
Add unicode metadata support

peppy/osu-new,peppy/osu,ppy/osu,NeoAdonis/osu,smoogipoo/osu,2yangk23/osu,peppy/osu,UselessToucan/osu,peppy/osu,johnneijzen/osu,smoogipoo/osu,NeoAdonis/osu,smoogipooo/osu,NeoAdonis/osu,2yangk23/osu,smoogipoo/osu,ppy/osu,UselessToucan/osu,EVAST9919/osu,EVAST9919/osu,johnneijzen/osu,ppy/osu,UselessToucan/osu