def option_parser
      @option_parser ||= OptionParser.new(banner, 25) do |opts|
        opts.banner = banner

        OptionSetter.new(self, opts).setup
      end
    end
def option_parser
      @option_parser ||= OptionParser.new(banner, 25) do |opts|
        opts.banner = banner

        OptionSetter.new(self, opts).setup
      end
    end
Processes options passed from the command line.