sublist ';' START ';' END (';' LIST )*

static String	_sublist	= "${sublist;<start>;<end>;<list>}";

public String _sublist(String args[]) throws Exception {
	verifyCommand(args, _sublist, null, 4, Integer.MAX_VALUE);

	int start = Integer.parseInt(args[1]);
	int end = Integer.parseInt(args[2]);
	ExtList<String> list = toList(args, 3, Integer.MAX_VALUE);

	if (start < 0)
		start = list.size() + start + 1;

	if (end < 0)
		end = list.size() + end + 1;

	if (start > end) {
		int t = start;
		start = end;
		end = t;
	}

	return Processor.join(list.subList(start, end));
}