     init(url: NSURL) {
         self.url = url
         completionHandler = {response, data, error in}
-        operationQueue.maxConcurrentOperationCount = 4
-        operationQueue.name = "com.yayuhh.YYHRequest"
     }
     
     // Request Loading

        if (parameters.count > 0) {
            serializeRequestParameters()
        }

        connection = NSURLConnection(request: request(), delegate: self)
        connection!.setDelegateQueue(operationQueue)
        connection!.start()
    }
    


import Foundation

var _requestOperationQueue: NSOperationQueue?

class YYHRequest: NSObject, NSURLConnectionDataDelegate {
    typealias YYHRequestCompletionHandler = (NSURLResponse?, NSData?, NSError?) -> Void
