v0.7.2, 2014-02-26 -- Initial release.
v0.7.3, 2014-02-27 -- Insert the missing `isbn_stdin_validate`.
v0.7.4, 2014-02-28 -- All methods and scripts work with identifier `979`.
v0.7.5, 2014-03-01 -- Fix small errors and a small example on how to use the library.
v0.8.1, 2014-03-02 -- Uses urllib2 instead of httplib2.
