[api] Set JSON and authentication on DO API calls
[api] Set JSON and authentication on DO API calls

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