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$Id: LICENSE 10594 2009-12-23 00:25:00Z FREQUENCY@cpan.org $

This package is distributed with the same licensing terms as Perl itself. At
time of writing, this consists of a dual licensing scheme. You are entitled to
enjoy the covenants of, at your option:

  (1) The Free Software Foundation's GNU General Public License, version 1
      or later; or
  (2) The Artistic License, version 1 or later

This file contains copies of the most recent versions of these licenses--that
is, GNU GPL v3.0 and Artistic License 2.0. Use of these versions is encouraged
but not strictly required; consequently, the full text for older versions of
these licenses must be found elsewhere.

This software is provided by the copyright holders and contributors "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 owner or contributors 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.

----------------------------------------------------------------------------

GNU GENERAL PUBLIC LICENSE

Version 3, 29 June 2007

Copyright (c) 2007 Free Software Foundation, Inc. <http://fsf.org/>

Everyone is permitted to copy and distribute verbatim copies of this license
document, but changing it is not allowed.

Preamble

The GNU General Public License is a free, copyleft license for software and
other kinds of works.

The licenses for most software and other practical works are designed to take
away your freedom to share and change the works. By contrast, the GNU General
Public License is intended to guarantee your freedom to share and change all
versions of a program--to make sure it remains free software for all its
users. We, the Free Software Foundation, use the GNU General Public License
for most of our software; it applies also to any other work released this way
by its authors. You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our
General Public Licenses are designed to make sure that you have the freedom to
distribute copies of free software (and charge for them if you wish), that you
receive source code or can get it if you want it, that you can change the
software or use pieces of it in new free programs, and that you know you can
do these things.

To protect your rights, we need to prevent others from denying you these
rights or asking you to surrender the rights. Therefore, you have certain
responsibilities if you distribute copies of the software, or if you modify
it: responsibilities to respect the freedom of others.

For example, if you distribute copies of such a program, whether gratis or for
a fee, you must pass on to the recipients the same freedoms that you received.
You must make sure that they, too, receive or can get the source code. And you
must show them these terms so they know their rights.

Developers that use the GNU GPL protect your rights with two steps:
(1) assert copyright on the software, and
(2) offer you this License giving you legal permission to copy, distribute
    and/or modify it.

For the developers' and authors' protection, the GPL clearly explains that
there is no warranty for this free software. For both users' and authors'
sake, the GPL requires that modified versions be marked as changed, so that
their problems will not be attributed erroneously to authors of previous
versions.

Some devices are designed to deny users access to install or run modified
versions of the software inside them, although the manufacturer can do so.
This is fundamentally incompatible with the aim of protecting users' freedom
to change the software. The systematic pattern of such abuse occurs in the
area of products for individuals to use, which is precisely where it is most
unacceptable. Therefore, we have designed this version of the GPL to prohibit
the practice for those products. If such problems arise substantially in other
domains, we stand ready to extend this provision to those domains in future
versions of the GPL, as needed to protect the freedom of users.

Finally, every program is threatened constantly by software patents. States
should not allow patents to restrict development and use of software on
general-purpose computers, but in those that do, we wish to avoid the special
danger that patents applied to a free program could make it effectively
proprietary. To prevent this, the GPL assures that patents cannot be used to