Blocked revisions 68760,68793,68813,68826,68829,68831 via svnmerge

........
  r68760 | vinay.sajip | 2009-01-19 00:49:19 -0600 (Mon, 19 Jan 2009) | 1 line

  Added more cross-reference targets and tidied up list of useful handlers.
........
  r68793 | raymond.hettinger | 2009-01-19 21:36:36 -0600 (Mon, 19 Jan 2009) | 1 line

  Make merging easier by formattng comment blocks the same in Py3.1
........
  r68813 | raymond.hettinger | 2009-01-20 14:34:19 -0600 (Tue, 20 Jan 2009) | 3 lines

  Issue 4998:  __slots__ on Fractions was useless.
........
  r68826 | vinay.sajip | 2009-01-20 16:43:17 -0600 (Tue, 20 Jan 2009) | 1 line

  Issue 5013: Fixed bug in FileHandler when delay was set.
........
  r68829 | vinay.sajip | 2009-01-20 17:16:08 -0600 (Tue, 20 Jan 2009) | 1 line

  Issue 5013: Fixed bug in FileHandler when delay was set - added fix for RotatingFileHandler and changed header comment slightly.
........
  r68831 | raymond.hettinger | 2009-01-20 17:42:54 -0600 (Tue, 20 Jan 2009) | 1 line

  Beautify and cleanup the references section.
........