Handle scraping photos on unmoderated climbs
Merge branch 'master' of https://github.com/stevoland/ukc-api-scraper

* 'master' of https://github.com/stevoland/ukc-api-scraper:
  Add difficult group star counts to crags
  Refactor difficult group totals in crags
  Fix crag test
  Add totalStars to crag
  Handle 404s
Fix scraping climbs with no photos