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

0.08    03/11/2010
        - added further skip test if test books are withdrawn from the site.

0.07    29/10/2010
        - update to author pattern
        - test data update

0.06    07/10/2010
        - further fixes due to changes in page layout.
        - adapted code to cope with weird weights.
        - amended pingtest() in network tests.

0.05    06/10/2010
        - fixed skip count.
        - provided alternate ping test methods.
        - fixes due to changes in page layout.

0.04    15/09/2010
        - reworked test structure, so easier to add sample sets.

0.03	14/09/2010
        - protect against amending undefined strings.

0.02	08/09/2010
        - weight is actually given in grammes not kilogrammes as stated.
        - all matches are now case insensitive.
        - fixed support for ISBN10 searches.

0.01	30/07/2010
        - initial release