Now completely set to use PMCs rather than integers on the stack.
Now completely set to use PMCs rather than integers on the stack.

Of the 179 words in the CORE and CORE EXT set, we now can do 54 of them,
with some of the big lacks in the string and address handling code. Still,
with simple control flow in there, it's in pretty good shape.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@4630 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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