1.02
    * 5/7/2006 - Generic Web::Indexer added from ISBNdb.com sources
    * 5/10/2005 - gcc warning silenced (report & fix by Andrey Alakozov)
    * 3/21/2005 - added /indexer/index_id/commit_interval variable to control
      forced periodic commit during index updates (to ease up load on
      database mirroring in MySQL).
    * 3/21/2005 - changed /indexer/max_orderings to
      /indexer/common/max_orderings (old name works too for compatibility)
    * 2/17/2005 - better diagnostic when failing to store too much data

1.01 - 13-Jan-2005
    * 2/11/2004 - partial indexing implementation

1.0 - 8/2003
    * Initial release