accidentally removed library. http_hierarchy_error.repy isnt only used in httpretrieve.repy, it is also used by registerhttpcallback.repy
accidentally removed library. http_hierarchy_error.repy isnt only used in httpretrieve.repy, it is also used by registerhttpcallback.repy

sburnett/seattle,sburnett/seattle,sburnett/seattle,sburnett/seattle,sburnett/seattle,sburnett/seattle