Copyright (c) 2013-2017 Printr B.V. All rights reserved

This code is dual-licensed: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation. For the terms of this
license, see <http://www.gnu.org/licenses>.

You are free to use this code under the terms of the GNU General
Public License, 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.

Alternatively, you can license this code under a commercial
license.

For information about a commercial license please contact chris@printr.com.