- Refactored the import module: it will now use PHP's built-in XML parser

rather then a set of regular expressions.  Solves Debian bug #184252:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=184252

- Fixes some invalid db_query_range() queries.  This solves bug #1287:
http://drupal.org/node/view/1387

- Fixed the use of '%d' and '%s' in some queries.

- Fixed some translation bugs.

- Improved error/status reporting.