[PDD] Updated PIR in examples to work with current PIR specification. Tidied some references and POD tags.
[PDD] Updated PIR in examples to work with current PIR specification.
Tidied some references and POD tags.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@36902 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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