updated ltokens

[Luiz Henrique de Figueiredo <lhf@...>]

Motivated by Jose Marin's request a couple of dauys ago, I've updated my Lua
library for lexical analysis of Lua code to handle both files and strings.
It's available as usual at
	http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/

The caveats of the original announcement are still valid:
	http://lua-users.org/lists/lua-l/2003-08/msg00229.html

Enjoy.
--lhf