LICENSE.txt

Copyright (c) James R. Holliday <jrholliday@gmail.com>
All rights reserved.

Redistribution and use of this code or any derivative works are
permitted provided that the following conditions are met:

* Redistributions may not be sold, nor may they be used in a
  commercial product or activity.

* Redistributions that are modified from the original source must
  include the complete source code, including the source code for all
  components used by a binary built from the modified
  sources. However, as a special exception, the source code
  distributed need not include anything that is normally distributed
  (in either source or binary form) with the major components
  (compiler, kernel, and so on) of the operating system on which the
  executable runs, unless that component itself accompanies the
  executable.

* Redistributions 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 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.