Alternate Tag#<=> implementation

rp_tags.rb

      ##
      # Compares two tags. Character tags are less than meta tags, and meta
      # tags are less than general tags. Two tags of the same type are compared
      # by their names.
      def <=>(other)
        sort_order = [:character, :meta, :general]
        arr = [""] * 3
        other_arr = [""] * 3
        # Due to quirks, the string <=> behavior vs "" is the opposite of what
        # we want for comparing names. "" is the 'smallest' string. Everything
        # is greater than it.
        arr[sort_order.index type] = other.name
        other_arr[sort_order.index other.type] = name
        puts "#{arr.inspect} <=> #{other_arr.inspect}"
        other_arr <=> arr
      end