Revision history for Perl extension WWW-Scraper-ISBN-OpenLibrary_Driver.

0.05    2013-03-10
        - expose depth value.
        - added isbn-check.pl to examples.
        - change file dates changed to meet W3CDTF standards.
        - License updated consistently to Artistic License v2.0.

0.04    2011-02-14
        - amended pingtest() in network tests.
        - added further skip test if test books are withdrawn from the site.

0.03    2010-10-06
        - fixed skip count.
        - provided alternate ping test methods.

0.02    2010-09-15
        - reworked test structure, so easier to add sample sets.

0.01	2010-09-06
        - initial release
