Portions copyright © 2013 William Riley-Land - http://kun.io
Portions copyright © 2006 Ross Kendall - http://rosskendall.com
Portions copyright © 1993-2005 Cal Henderson - http://iamcal.com
Based on the PHP code by Cal Henderson
Licenced under Creative Commons or GPL according to the terms below...
Licensed under a Creative Commons Attribution-ShareAlike 2.5 License
You are free:
Under the following conditions:
* to Share -- to copy, distribute, display, and perform the work
* to Remix -- to make derivative works
* Attribution. You must attribute the work in the manner specified by the author or licensor.
* Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one.
* For any reuse or distribution, you must make clear to others the license terms of this work.
* Any of these conditions can be waived if you get permission from the copyright holder.
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 2 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 along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. http://www.gnu.org/copyleft/gpl.html