message: Allows passed in Dialog to be some other renderable object (styled)
diff: @@ -19,7 +19,7 @@ const ModalBackdrop = styled.div`
  export default class Modal extends Component {
  static propTypes = {
  - Dialog: PropTypes.func,
  + Dialog: PropTypes.oneOfType([PropTypes.func, PropTypes.object]),
  children: PropTypes.node.isRequired,
  onClose: PropTypes.func.isRequired,
  };
  