protected void ProcessNext()
 {
     currentRequirment = null;
     if (listRequirment.Count > 0)
     {
         currentRequirment = listRequirment[0];
         listRequirment.RemoveAt(0);
         ProcessCurrentReq();
     }
 }
 public void StopCurrentReq()
 {
     currentRequirment = null;
     wWWSupport.StopWWWCoroutine(currCoroutine);
     currCoroutine = null;
 }