[dist] Version bump. 0.6.7
[dist] Version bump. 0.6.7

apla/pkgcloud,songanbui/pkgcloud,Phanatic/pkgcloud,dionjwa/pkgcloud,bunglestink/pkgcloud,mdsummers/pkgcloud,DonSchenck/pkgcloud,Phanatic/pkgcloud,mcanthony/pkgcloud,hacor/pkgcloud,pkgcloud/pkgcloud,Hopebaytech/pkgcloud,andrewsomething/pkgcloud,temka1234/pkgcloud