Fix some nits Guido brought up last August: - give subsection pages nicer names - shorten some really long table cells; table cells can't wrap in the   typeset version of the documentation
Fix some nits Guido brought up last August:
- give subsection pages nicer names
- shorten some really long table cells; table cells can't wrap in the
  typeset version of the documentation

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator