Copyright 2007 Dwight Barkley (EZ-SPIRAL, the prototype), barkley at maths dot warwick dot ac dot uk
Copyright 2010 Vadim Biktashev and Andrew Foulkes (changes), v.n.biktashev at exeter dot ac dot uk, afoulkes at liv dot ac dot uk
Version 1.0
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 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.
You should have received a copy of the GNU General Public License in the file license.txt along with this program. If not, see http://www.gnu.org/licenses/ .