rosskarchner/sheer — pull request #27 by dpford (2014-06-27 18:43:30+00:00)
Title: Don't include empty selected filters

Before, when an empty filter such as "?filter_range_date_gte=" was used, selected_filters_for_field would return a list with an empty string. Now values will only show up in selected_filters_for_field if they are not empty strings.