message: Compared context instead of url
  Allow navigating to same url so better to compare contexts. Also consistent with the Scene update comparison which is based on context not url
diff: @@ -24,7 +24,7 @@ class NavigationHandler extends React.Component<{ stateNavigator: StateNavigator
  onNavigate() {
  var { stateNavigator } = this.props;
  - if (this.state.context.stateNavigator.stateContext.url !== stateNavigator.stateContext.url) {
  + if (this.state.context.stateNavigator.stateContext !== stateNavigator.stateContext) {
  this.setState(() => {
  var { oldState, state, data, asyncData } = stateNavigator.stateContext;
  var asyncNavigator = new AsyncStateNavigator(this, stateNavigator, stateNavigator.stateContext);
  