A downloader script to retrieve the Book of Kells.
Downloaded work my only be used under the following terms (copied from Trinity College Dublin )
"Copyright 2012 The Board of Trinity College Dublin. Images are available for single-use academic application only. Publication, transmission or display is prohibited without formal written approval of Trinity College Library, Dublin."
Tested only in Python 3.3, but can likely be made to work in newer or older versions without much trouble.