Allow convertmapping to be extended
Allow convertmapping to be extended

johnneijzen/osu,ppy/osu,2yangk23/osu,UselessToucan/osu,DrabWeb/osu,naoey/osu,smoogipooo/osu,ZLima12/osu,UselessToucan/osu,2yangk23/osu,smoogipoo/osu,UselessToucan/osu,DrabWeb/osu,NeoAdonis/osu,naoey/osu,smoogipoo/osu,NeoAdonis/osu,EVAST9919/osu,ppy/osu,ppy/osu,johnneijzen/osu,ZLima12/osu,NeoAdonis/osu,peppy/osu-new,EVAST9919/osu,peppy/osu,peppy/osu,peppy/osu,smoogipoo/osu,DrabWeb/osu,naoey/osu