Lua Serialize

    serialize = require "serialize"

    -- pack serialize lua objects into a lightuserdata (use malloc internal) 
    -- It support type : nil , number , boolean, lightuserdata , string , table (without recursion)
    bin = serialize.pack (...) 

    -- You can append some objects end of the binary block packed before
    serialize.append(bin, ...)

    -- unpack extract ... from bin, and free the memory. 
    -- You can only unpack binary block once.
    serialize.unpack(bin)

    -- You can use serialize.serialize(bin) to serialize them to one block
    -- You can send the block to the other process.
    local block, length = serialize.serialize(bin)
    serialize.deserialize(block)