message: Bound configure to preserve this
diff: @@ -18,7 +18,7 @@ class NavigationHandler extends React.Component<{ stateNavigator: StateNavigator
  if (oldUrl === stateNavigator.stateContext.url) {
  var clonedNavigator = stateNavigator.clone(stateNavigator.historyManager);
  clonedNavigator.stateContext = stateNavigator.getStateContext(state, data, url, asyncData, history);
  - clonedNavigator.configure = (stateInfos, historyManager) => stateNavigator.configure(stateInfos, historyManager);
  + clonedNavigator.configure = stateNavigator.configure.bind(stateNavigator);
  clonedNavigator.getNavigateContinuation = stateNavigator.getNavigateContinuation;
  return { stateNavigator: clonedNavigator };
  }
  