Revision history for Perl extension NumberedTree::DBTree.
0.01  Thu Oct  2 18:50:54 2003
        - original version; created by h2xs 1.22 with options
                -AX NumberedTree::DBTree
1.00  Wed Oct 29 late at night:
        - Changed the name.
        - Fixed and greatly extended the fields mechanism, 
                relying mainly on changes in Tree::Numbered.
1.02  Wed Jan 14 morning:
        - Added ordering by serial numbers.