Bump to 0.6.15
Bump to 0.6.15

arlyxiao/Spina,xlogan/Spina,hafizio/Spina,ibnukamy/Spina,ibnukamy/Spina,xlogan/Spina,ibnukamy/Spina,hafizio/Spina,hafizio/Spina,arlyxiao/Spina,diraulo/Spina,diraulo/Spina,arlyxiao/Spina,xlogan/Spina,diraulo/Spina