Added ability to add multiple users to databases on same instance
Added ability to add multiple users to databases on same instance

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