7 https://www.youtube.com/watch?v=MfrZ_0EJvXk
11 Copyright (C) 2019 Eleni Maria Stea <elene.mst@gmail.com>
13 This program is free software. You are free to use, modify, and/or re-distribute
14 it, under the terms of the GNU General Public License version 3, or at your
15 option any later version published by the Free Software Foundation. See COPYING