Blocked revisions 67822 via svnmerge

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  r67822 | mark.dickinson | 2008-12-17 16:14:37 +0000 (Wed, 17 Dec 2008) | 4 lines

  Issue #3439: add bit_length method to int and long.
  Thanks Fredrik Johansson and Victor Stinner for code,
  Raymond Hettinger for review.
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