add_days (Borges::DateRangeSelector)

    # File lib/Borges/Component/DateRangeSelector.rb, line 30
      def add_days(days)
        if valid_date_range? then
          #puts "!! days: #{days}"
          #puts "!! start_date: #{start_date}, #{start_date.inspect}"
          #puts "!! end_date: #{end_date}, #{end_date.inspect}"
          start_date = @start_date.date + days
          end_date = @end_date.date + days
          #puts "!! start_date: #{start_date}, #{start_date.inspect}"
          #puts "!! end_date: #{end_date}, #{end_date.inspect}"
          change_dates
        end
      end