API strlower

Gets a string with all lower case letters instead of upper case.
 lower = string.lower(s)
 = strlower
==Arguments==
:;s: - The string to convert
==Returns==
:;lowerS: - The same string as passed in, but with lower case characters instead of upper case ones.
==Example==
 > = string.lower("Hello, Lua user!")
 hello, lua user!