hashl 1.00 - Wed Nov 02 2011

    * Add "hashl list <regex>" to filter listed files by name
    * Do not fail when encountering zero-length files

hashl 0.2 - Mon May 23 2011

    * The internal representation of ignored hashes was changed
    * hashl update no longer re-adds ignored (but existing) files
    * hashl update tries to save its state when being interrupted
      (sigint/sigterm)
    * add hashl -f update - update db, unignore and add any ignored files in
      the scanned directory

hashl 0.1 - Fri May 06 2011

    * Initial release
    * Create/Update hash database
    * Find/Copy files not in database
    * Ignore files (will be marked as known, but can be removed from the file
      system)