Most of this software is copyright (c) 2019 by Tom van der Woerdt.
Its altered form is copyright 2019 by Felipe Gasper.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

Terms of the Perl programming language system itself

a) the GNU General Public License as published by the Free
   Software Foundation; either version 1, or (at your option) any
   later version, or
b) the "Artistic License"