Revision history for Graph-Subgraph

0.03    Sun Dec 10 2017
        * Deprecated as Graph 0.97 has native subgraph method
            see https://rt.cpan.org/Ticket/Display.html?id=65497

0.02    Sun Oct 7 2012
        * API: added list form: $G->subgraph(qw(foo bar))
        * TST: improved test suite

0.01    Sat Mar 10 2012
        First version, released on an unsuspecting world.

