Reformatted as per CPAN::Changes::Spec
Moved Pidfile.pm to lib/Proc/Pidfile.pm
Switched to Dist::Zilla
Changed die() to croak(), but to warn() inside DESTROY

Behaviour of die inside DESTROY changed at 5.14.0, which caused
the testsuite to fail on recent versions of Perl
Typo in dist name
Added github repo to pod
Updated AUTHOR section in pod