func (p *PullRequestsService) One() (pull *PullRequest, result *Result) {
	result = p.client.get(p.URL, &pull)
	return
}
One gets a specific pull request based on the url of the service
package octokit
import (
	"io"
	"net/url"
	"time"
	"github.com/jingweno/go-sawyer/hypermedia"
)
var PullRequestsURL = Hyperlink("repos/{owner}/{repo}/pulls{/number}")
func (c *Client) PullRequests(url *url.URL) (pullRequests *PullRequestsService) {
	pullRequests = &PullRequestsService{client: c, URL: url}
	return
}
type PullRequestsService struct {
	client *Client
	URL    *url.URL
}