gistfile1.swift

    convenience init() {
        
        let sessionConfig:NSURLSessionConfiguration = NSURLSessionConfiguration.defaultSessionConfiguration()
        sessionConfig.allowsCellularAccess = true
        sessionConfig.HTTPAdditionalHeaders = ["Content-Type": "application/json"]
        sessionConfig.timeoutIntervalForRequest = 30
        sessionConfig.timeoutIntervalForResource = 60
        sessionConfig.HTTPMaximumConnectionsPerHost = 1
        
        self.init()
        
//        session = NSURLSession(configuration: sessionConfig)
        
        session = NSURLSession(configuration: sessionConfig)
        
        initHandshake()
    }