Revision history for Perl extension Sub::Mux

0.02    Sat Jun 29 16:48:55 JST 2013
        - fixed unshift_subs method(WARN: This is incompatible change)
        - enhancement POD
        - fixed xt/ test for travis-ci

0.01    Sat Jun 29 13:10:50 JST 2013
        - original version
