             var allow: Bool?
             
             if challenge.previousFailureCount > 0 {
-                completionHandler(NSURLSessionAuthChallengeDisposition.CancelAuthenticationChallenge, nil)
+                completionHandler(.RejectProtectionSpace, nil)
                 return
             }
             

    public let status: Int
    public let data: NSData?
    public let request: Request
    
    public var text: String? {
        if let textData = data {

        return nil
    }
    
    init(status: Int = 0, data: NSData? = nil, request: Request, error: NSError? = nil) {
        self.status = status
        self.data = data
        self.request = request
        self.error = error
    }
}

