     private var nativeConnection: NSURLSession {
         
         if let nativeConnection = _nativeConnection {
-                
+            
             return nativeConnection
         }
-            
-        let request = NSMutableURLRequest(params: params)
         
         let configuration = NSURLSessionConfiguration.defaultSessionConfiguration()
         

                didReceiveResponse: response,
                completionHandler: { (_) -> Void in })
            
            URLSession(nativeConnection, task: dataTask, didCompleteWithError:nil)
        } catch let error as NSError {
            self.URLSession(self.nativeConnection, didBecomeInvalidWithError:error)
        }

            
            let response = NSHTTPURLResponse(URL: params.url, statusCode: 200, HTTPVersion: "HTTP/1.1", headerFields: nil)!
            
            let dataTask: NSURLSessionDataTask! = nil
            
            URLSession(
