Blocked revisions 70261,70267,70271,70273 via svnmerge

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  r70261 | raymond.hettinger | 2009-03-09 06:31:39 -0500 (Mon, 09 Mar 2009) | 1 line

  Issue 5443: Fix typo.
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  r70267 | raymond.hettinger | 2009-03-09 06:57:29 -0500 (Mon, 09 Mar 2009) | 1 line

  Add consume() recipe to itertools docs.
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  r70271 | raymond.hettinger | 2009-03-09 07:56:23 -0500 (Mon, 09 Mar 2009) | 1 line

  Add cross-reference to the collections docs.
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  r70273 | georg.brandl | 2009-03-09 09:25:07 -0500 (Mon, 09 Mar 2009) | 2 lines

  #5458: add a note when we started to raise RuntimeErrors.
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