def load_tags
      config_options[:tags] = {}
      return unless config_hash["Tags"]
      config_hash["Tags"].each do |tag, due_date|
        unless due_date.is_a? Date
          raise ArgumentError, "#{due_date} is not a date"
        end

        config_options[:tags]["##{tag}"] = DueDate.new(due_date)
      end
    end
def load_tags
      config_options[:tags] = {}
      return unless config_hash["Tags"]
      config_hash["Tags"].each do |tag, due_date|
        unless due_date.is_a? Date
          raise ArgumentError, "#{due_date} is not a date"
        end

        config_options[:tags]["##{tag}"] = DueDate.new(due_date)
      end
    end
Load the tags from the configuration file as DueDates

 @return is irrelevant
 @api private