- Added list of known search engines.

- Changed HTTP port specification so that it can be omitted completely.

- Revamped archive detection mechanism to use virtual host name rather ...

than a request variable.

- Split off separate headers and footers for each repository. ...

- Made "default" header and footer generic.
- Fixed bug in mysql class that grouped eprints with the same ID from
  different archives.
- Fixed non-XHTML compliant image elements.
- Changed eprint title links so that they point to the appropriate stats
  page in the correct archive. (Especially relevant to the "default" stats).
- For the "default" stats, included a note (+ link) indicating which repository
  each eprint is stored in.

- Moved repository names into the "general" configuration section. ...

- Made repository URLs a list, to support multiple archives.

- Made package multi-archive aware. Numerous changes across most files. ...

- Fixed bug in inc.class.mysql.es.php that meant that eprint ID 1 could never
  be displayed.
- Fixed bug in inc.fns.merge.es.php that caused fractional years to be
  generated.

- Switched navigation bars to use global actions/includes array in ...

inc.vars.es_src.php instead of manually including files.
- Fixed a display bug with the "Last year" navigation bar item that caused
  it to erroneiously highlight "Last year" when you were actually viewing
  a single month from last year.

- Switched to different country codes for different classes of local traffic, ...

and to fix the problem of download numbers being assigned to the wrong class.

- Added support for listing papers downloaded by country.

- Switched to machine-independent environment configuration.

- Stats page now looks up the eprint title on the fly from the repository if ...

it isn't in the stats database already (only needed if the eprint hasn't
  been downloaded yet).

- Re-added statistics files in a better location.