License and authors
===================

This license applies to all documentation and example code in this book.
Data sets are provided under suitable Creative Commons licenses.

| Copyright (c) 2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Olly Betts
| Copyright (c) 2006,2007,2008,2009 Lemur Consulting Ltd
| Copyright (c) 2007 Deron Meranda
| Copyright (c) 2007 Jenny Black
| Copyright (c) 2010,2011 Richard Boulton
| Copyright (c) 2011 Justin Finkelstein
| Copyright (c) 2011,2012 Dan Colish
| Copyright (c) 2003,2006,2011,2012,2013,2014 James Aylett
| Copyright (c) 2013 Aarsh Shah
| Copyright (c) 2014 Jorge Carleitao
| Copyright (c) 2014 Guarav Arora
| Copyright (c) 2014 Assem Chelli
| Copyright (c) 2014 Mayank Chaudhary
| Copyright (c) 2016 Aakash Muttineni
| Copyright (c) 2016 Vivek Pal
| Copyright (c) 2016 Parth Gupta
| Copyright (c) 2018 Marco Pessotto


Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.