CPAN version 0.13

Update $VERSION and release date.
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# On branch master
# Your branch is up to date with 'origin/master'.
#
# Changes to be committed:
#	modified:   .version_info.pl
#	modified:   Changes
#	modified:   lib/Devel/Git/MultiBisect.pm
#	modified:   lib/Devel/Git/MultiBisect/AllCommits.pm
#	modified:   lib/Devel/Git/MultiBisect/Auxiliary.pm
#	modified:   lib/Devel/Git/MultiBisect/Opts.pm
#	modified:   lib/Devel/Git/MultiBisect/Transitions.pm
#
