message: Suffixed fragment name
  Don't want to clash with any third party fragments
diff: @@ -62,7 +62,7 @@ public class NavigationStackView extends ViewGroup implements LifecycleEventList
  fragment = new StackFragment(this);
  FragmentManager fragmentManager = ((FragmentActivity) currentActivity).getSupportFragmentManager();
  FragmentTransaction transaction = fragmentManager.beginTransaction();
  - transaction.add(fragment, String.valueOf(getId()));
  + transaction.add(fragment, "Stack" + getId());
  transaction.commitNow();
  }
  if (scenes.size() == 0 || !navigator.canNavigate(currentActivity, this))
  