Revision history for Perl extension Graph::PetriNet.

0.03  Tue May 19 16:34:54 CEST 2009
      - doc fixes
      - added retrieveal for places and transitions

0.02  Sun May 17 10:19:57 CEST 2009
      - doc fixes
      - scaled down Perl requ to 5.8

0.01  Sat May 16 15:29:52 CEST 2009
      - initial release onto CPAN