func getPullRequests(_ pullRequestCreator:String, pullRequestRepository:String, completion: @escaping ([PullRequests]) -> Void) {

        let url:String = "https://api.github.com/repos/\(pullRequestCreator)/\(pullRequestRepository)/pulls"

        Alamofire.request(url).validate().responseArray { (response : DataResponse<[PullRequests]>) in
            switch response.result{
            case .success:
                if let responseData = response.result.value{
                    completion(responseData)
                }else{

                }
            case .failure(let error):
                print(error)
            }
        }
    }