message: Handled remapping crumb style for nested scenes
  Can have scenes rendered inside a fragment so have to look for scenes 2 levels deep
  <Stack>
  <>
  <Scene>
  </>
  </Stack>
diff: @@ -3,6 +3,14 @@ import { View } from 'react-native';
  import { NavigationMotion, Scene, SharedElementMotion } from 'navigation-react-mobile';
  import { MobileHistoryManager } from 'navigation-react-mobile';
  +const cloneScenes = (children, nested = false) => (
  + React.Children.map(children, scene => (
  + (scene.type === Scene || nested)
  + ? React.cloneElement(scene, { crumbStyle: scene.props.crumbedStyle })
  + : React.cloneElement(scene, null, cloneScenes(scene.props.children, true) as any)
  + ))
  +);
  +
  const NavigationStack = ({unmountedStyle, mountedStyle, crumbedStyle, sharedElementTransition, duration, renderScene, renderTransition, children}) => (
  <NavigationMotion
  unmountedStyle={unmountedStyle || {translate: 100}}
  @@ -12,11 +20,7 @@ const NavigationStack = ({unmountedStyle, mountedStyle, crumbedStyle, sharedElem
  duration={duration}
  renderScene={renderScene}
  renderMotion={typeof children !== 'function' ? renderTransition || renderMotion : undefined}>
  - {typeof children !== 'function' ? (
  - React.Children.map(children, child => (
  - React.cloneElement(child, { crumbStyle: child.props.crumbedStyle })
  - ))
  - ) : (children || renderMotion)}
  + {typeof children !== 'function' ? cloneScenes(children) : (children || renderMotion)}
  </NavigationMotion>
  );
  