Blocked revisions 73858 via svnmerge

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  r73858 | mark.dickinson | 2009-07-05 11:01:24 +0100 (Sun, 05 Jul 2009) | 3 lines

  Issues #1530559, #1741130:  Fix various inconsistencies in struct.pack
  integer packing, and reenable some previously broken tests.
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