/// <summary>Starts a coroutine.</summary>
 /// <param name="routine">The coroutine to start.</param>
 /// <param name="thisReference">Reference to the instance of the class containing the method.</param>
 public static void StartCoroutine(IEnumerator routine, object thisReference)
 {
     CreateInstanceIfNeeded();
     instance.GoStartCoroutine(routine, thisReference);
 }