cakebread/yolk — pull request #8 by tkruse (2012-04-03 21:14:59+00:00)
Title: bugfix and parallel upgrade search

Hi, this is my first pull request ever, so please correct me if I did something wrong.

one commit just makes sure get_highest_version does what it should (unit test added)

last commit makes -U be mass-parallel, taking much less time that way.