[parrot/parrot] 920d05: misc fixes and cleanups. +docs. Add new Parrot_pf_...

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  Branch: refs/heads/whiteknight/packfilewrapper
  Home:   https://github.com/parrot/parrot

  Commit: 920d05778ffeb58e78f19cd252389273719367ce
      https://github.com/parrot/parrot/commit/920d05778ffeb58e78f19cd252389273719367ce
  Author: Whiteknight <wknight8111 at gmail.com>
  Date:   2011-06-25 (Sat, 25 Jun 2011)

  Changed paths:
    M include/parrot/packfile.h
  M src/embed/bytecode.c
  M src/packfile/api.c
  M src/pmc/packfileview.pmc

  Log Message:
  -----------
  misc fixes and cleanups. +docs. Add new Parrot_pf_serialized_size API and create method PackfileView. Use more packfile API funcs from the embedding API