/// Send a given request and deserialize the response
    pub fn send_and_deserialize(&self, header: OAuthAuthorizationHeader) -> Result<Root, Error> {
        let req = self.clone();

        // Send the request
        let mut response = req
            .client
            .hyper
            .request(req.method, &req.url)
            .header(Authorization(header.to_string()))
            .send()?;

        // Read our response and write to a buffer.
        // We can just `unwrap` here since we already error checked.
        let mut buf = String::new();
        response.read_to_string(&mut buf);

        // deserialize from JSON to a `Root` object
        serde_json::from_str(&buf)
    }