Credits
-------

The files src/common/utf8.* are by Jeff Bezanson
http://www.cprogramming.com/tutorial/unicode.html

The file src/test/assert.sh is the bash unit testing framework
by Robert Lehmann, http://github.com/lehmannro/assert.sh

The file src/test/xml2.c is by Daniel Egnor, a clone of the original
repoitory can be found at https://github.com/clone/xml2
