Rename a folder in the Mxit user's gallery
        User authentication required with the following scope: 'content/write'

def rename_gallery_folder(self, old_folder_name, new_folder_name, scope='content/write'):
        """
        Rename a folder in the Mxit user's gallery
        User authentication required with the following scope: 'content/write'
        """
        return _put(
            token=self.oauth.get_user_token(scope),
            uri='/user/media/' + urllib.quote(old_folder_name),
            data=new_folder_name
        )