Get perlcritic tests working for PC 1.118.

ProhibitAccessOfPrivateData was introduced and it's just too broad.

ProhibitBitwiseOperators was introduced and it's fine but for a handful
of locations which I've marked with no critic.

Signed-off-by: Michael G. Schwern <schwern@pobox.com>
Merge pull request #5 from schwern/bug/perlcritic

Get perlcritic tests working for PC 1.118.