1. Md5.luaMD5 sum in pure Lua, with no C and no external dependencies
5. Cron.luaTime-related functions for Lua, inspired in javascript's setTimeout and setInterval
14. Tween.luaTweening/Easing/Interpolating functions for lua. Inspired on jQuery's animate method.
17. sha1.lua(Deprecated Repo) SHA-1 secure hash computation, and HMAC-SHA1 signature computation in Lua (5.1)