DEPRECATED - Correios does not not allow the same "websro" as before.
Official Public Repository: https://gitlab.com/jwaghetti/ttco
Copyright (C) 2014 Jean Waghetti.
This work is free. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.