Range mode for frind closest node

Слиты nikitronn запросил слияние find_closest_range в master

Created by: Durman

https://user-images.githubusercontent.com/28003269/106423209-6d269e80-6479-11eb-8f8d-ce94214423cc.mp4

Preflight checklist

  • Code changes complete.
  • Documentation for users complete.
  • Manual testing done.
  • Ready for merge.