[io_rewiring] a few fixes, and handles now does 'IO'
[io_rewiring] a few fixes, and handles now does 'IO'

git-svn-id: ab052325e6ff0215049859dfe087640a330fcaf7@39202 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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