- Replaced "pages" with "pagerange" in "conference_item".

- Converted to UTF-8. ...

- Fixed broken perl_url.

- Converted to UTF-8.

- Made correct use of &perl_url;.

- Switched to UTF-8. ...

- Fixed hard-coded email address.

- Updated author permission and copyright status field values.

- Added code for request eprint button (disabled).

- Embedded survey and requrest eprint button code (commented out).

- Switched off ADT config.

- Updated to work with new config.

- Changed "viewed" to "downloaded".

- Fixed a missing "full text".

- Updated text to be consistent with other pages.

- Changed wording to be consistent with other pages.

- Updated wording to be consistent with other pages.

- Changed timeinsert to lastproc in getLastProc

- Added by search engine display. ...

- Refactored table layout for entire page.
- Refactored table generation into separate functions for by country/search
  engine displays.

- Added independent row counter to fix incorrect row colour alternation.

- Refactored table generation.

- Tidied up getMaxCount() calls.

- Changed "by Country" to "by Source".

- Cleaned up column names in query for getCumulativeUsageType().

- Tweaked page layout and text. ...

- Made XHTML compliant.

- Refactored code to calculate longest bar and generate table contents ...

into separate functions in inc.fns.cumulative_usage_country. This makes
  it easier to separate off hits from search engine bots and crawlers.

- Added check for known search engines.

- Rationalised bot patterns and made them all case-insensitive. ...

- Refactored log line regexps into a single pattern.
- Removed unnecessary third argument from preg_match() call.

- Added list of known search engines.

- Added flag icons for various search engines.

- Fixed main regexps so that they work again!

- Fixed bug that caused about duplicate entries in about 1% of cases. ...

- Simplified unidentified bot regexps.
- Refactored "datetest[AB]" variables to more sensible names.
- Corrected $referer to $user_agent.