Changes
Makefile.PL
MANIFEST
README
Object.pm
Object.xs
t/equal.t
t/clear.t
t/difference.t
t/includes.t
t/insert.t
t/intersection.t
t/members.t
t/Person.pm
t/refcount.t
t/remove.t
t/subsuper.t
t/symmetric_difference.t
t/union.t