Consequence of modification
  (package-desc-vers): Replace with package-desc-version accessor.
documented at http://bandwidth.porkrind.org/emacs-builds/Emacs-2013-06-12.changes
Using patch provided at https://github.com/purcell/emacs.d/commit/c0039e29f4ad12956a94cf8467ebc7b5c279857b
Merge pull request #15 from xaosfiftytwo/master

Consequence of modification