- Removed the "history"-field from the SQL table "users" and added
  this information to the "users"-field in both nodes and comments.
  This database/table change reduces the number of SQL queries and
  makes Drupal scale better where a lot of voting/moderation takes
  place.  Last but not least it can be considered a new and better
  foundation for future moderation metrics / algorithms.  In other
  words: it is plain better.

    --> oops, all voting/moderation results will be lost!
    --> requires database update, see "2.00-to-x.xx.sql"!

- Updated database/database.mysql