def page_title(separator = Renalware.config.page_title_spearator)
      [
        content_for(:page_title),
        Renalware.config.site_name
      ].compact.join(separator)
    end
def page_title(separator = Renalware.config.page_title_spearator)
      [
        content_for(:page_title),
        Renalware.config.site_name
      ].compact.join(separator)
    end
For use in layouts