public RequestManager()
{
_queueList = new Queue<Request>();
_lockObject = new object();
_threads = new List<Thread>();
_newRequestEvent = new ManualResetEvent(false);
_currentRequestNr = 0;
_lastreturnedReqNr = -1;
_managerActive = false;
ManagerStopped = new ManualResetEvent(false);
CustomCookieCollection = new CookieCollection();
}