1.03 - changed canonical_ua to split on both "/" and whitespace.
1.04 - changed it again to try every substring.
1.05 - re-wrote update and tests, now uses XML::Parser and LWP::UserAgent
1.06 - added verbose levels, dbh option, and table name options
1.07 - various bug fixes submitted by Ian Shrimpton [ian@persistentmobile.com]