code: protected String[] buildArgs() {
  		String result[] = new String[0];
  		List<String> args = new ArrayList<String>();
  		if (lang != null && lang.length() > 0) {
  			args.add(flagify(CowsayCli.Opt.LANG.toString()));
  			args.add(lang);
  		}
  		if (html) {
  			args.add(flagify(CowsayCli.Opt.HTML.toString()));
  		}
  		if (alt != null && alt.length() > 0) {
  			args.add(flagify(CowsayCli.Opt.ALT.toString()));
  			args.add(alt);
  		}
  		if (wrap != null) {
  			args.add(flagify(CowsayCli.Opt.WRAP_AT.toString()));
  			args.add(wrap);
  		}
  		buildFaceArgs(args);
  		args.add(message);
  		return args.toArray(result);
  	}
docs: Build an args array that can be passed to cowsay.
  @return commandline args