Copyright (C) Wu Yongwei <wuyongwei at gmail dot com>
Copyright (C) Tom Hacohen <tom at stosb dot com>
Copyright (C) Petr Filipsky <philodej at gmail dot com>
Copyright (C) Andreas Röver <roever at users dot sf dot net>
This software is provided 'as-is', without any express or implied warranty. In no event will the author be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: