Add new section on the XML package.  (This was the only major new 2.0 feature    left that wasn't covered.  The article is therefore now essentially complete.) A few minor changes
Add new section on the XML package.  (This was the only major new 2.0 feature
   left that wasn't covered.  The article is therefore now essentially complete.)
A few minor changes

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