Copyright 2008, Daan Leijen and Max Bolingbroke, 2016 David Luposchainsky. All
rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.

  - Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

This software is provided by the copyright holders "as is" and any express or
implied warranties, including, but not limited to, the implied warranties of
merchantability and fitness for a particular purpose are disclaimed. In no event
shall the copyright holders be liable for any direct, indirect, incidental,
special, exemplary, or consequential damages (including, but not limited to,
procurement of substitute goods or services; loss of use, data, or profits; or
business interruption) however caused and on any theory of liability, whether in
contract, strict liability, or tort (including negligence or otherwise) arising
in any way out of the use of this software, even if advised of the possibility
of such damage.
