Added first draft of is_deeply().  It's not complete and it needs tests and   docs, if only to prove that it's not complete.
Added first draft of is_deeply().  It's not complete and it needs tests and
  docs, if only to prove that it's not complete.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@12418 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot