Copyright 2008-2019 AG Projects (http://ag-projects.com/)

License: LGPL-2.1+

    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published
    by the Free Software Foundation; either version 2.1 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    For a copy of the license see https://www.gnu.org/licenses/lgpl-2.1.html