This program is free software: you can redistribute it and/or modify it under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License or 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.
You can distribute this work or adaptations of this work as along as you share alike. Commercial uses of this work is not allowed.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/.