Revision history for Perl extension Data::Pairs.

0.02  Wed Jun  4 23:21:11 EDT 2008
    - validate incoming structure in new()

0.01  Wed Jun  4 15:12:34 2008
    - original version; created by h2xs 1.23 with options
        -AX --skip-exporter --use-new-tests -n Data::Pairs -b 5.8.0
    - New module: copied Data::Omap module changed it to allow duplicates