Copyright (c) 2010-2016 David E. Wheeler and Sam Vilain.

This module is free software; you can redistribute it and/or modify it under
the [PostgreSQL License](http://www.opensource.org/licenses/postgresql).

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose, without fee, and without a written agreement is
hereby granted, provided that the above copyright notice and this paragraph
and the following two paragraphs appear in all copies.

In no event shall David E. Wheeler or Sam Vilain be liable to any party for
direct, indirect, special, incidental, or consequential damages, including
lost profits, arising out of the use of this software and its documentation,
even if David E. Wheeler or Sam Vilain has been advised of the possibility of
such damage.

David E. Wheeler and Sam Vilain specifically disclaim any warranties,
including, but not limited to, the implied warranties of merchantability and
fitness for a particular purpose. The software provided hereunder is on an "as
is" basis, and David E. Wheeler and Sam Vilain have no obligations to provide
maintenance, support, updates, enhancements, or modifications.