string.pack autoloader

local handle = assert(http.get("https://gist.githubusercontent.com/MCJack123/d5973e4d8b7e46991c5f99ac4b076aec/raw/ff31f8d87c8114b9917d9889dc1f4f8871075f5b/string_pack.lua"))
local pack = assert(load(handle.readAll(), "@string_pack.lua", "t", _ENV))()
handle.close()
for k, v in pairs(pack) do string[k] = v end