* examples/pir/hanoi.pir:    + Improve tower representation, add symbolic names, use lexical      scoping more fully, update doc.  This now serves as an example of      stack ops, and is the only (so far) example of lexical scoping.
* examples/pir/hanoi.pir:
   + Improve tower representation, add symbolic names, use lexical
     scoping more fully, update doc.  This now serves as an example of
     stack ops, and is the only (so far) example of lexical scoping.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@26925 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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