fixed bug in first_obs_id returned by cache_columns, impacts 'life list firsts' on calendar
fixed bug in first_obs_id returned by cache_columns, impacts 'life list firsts' on calendar
Merge branch 'bug_fix_first_obs_id' of https://github.com/loarie/inaturalist into bug_fix_first_obs_id
made it so checklists first_obs worked the old way - i.e. first date added to iNat, and cleanup