Original author:
Vladimir Kuznetsov <ks.vladimir@gmail.com>

Contributors:
Carsten Niehaus <cniehaus@kde.org>
Aliona Kuznetsova <aliona.kuz@gmail.com>
Harley J Orjuela Ballesteros <harleygnr@hotmail.com> (Universidad Distrital FJC (Fisinfor) <hjorjuelab@correo.udistrital.edu.co>)

