valid_date_range? (Borges::DateRangeSelector)

    # File lib/Borges/Component/DateRangeSelector.rb, line 47
      def valid_date_range?
        #puts "!! start_date: #{start_date}, #{start_date.inspect}"
        #puts "!! end_date: #{end_date}, #{end_date.inspect}"
        #puts "!! start_date valid? #{@start_date.date_is_valid?}"
        #puts "!! end_date valid? #{@end_date.date_is_valid?}"
        #puts "!! start_date <= end_date? #{@start_date.date <= @end_date.date}"
        return ((@start_date.date_is_valid? &&
                 @end_date.date_is_valid?) &&
                @start_date.date <= @end_date.date)
      end