Depend on uuid since it doesn't ship with python2.4
Add missing sys import
Define app by calling Zope.app() since run doesn't add it like debug does
Bumped version to 0.28-dev and updated history
Merge branch 'master' of https://github.com/ichim-david/zopyx.plone.migration

Conflicts:
	docs/HISTORY.txt
	setup.py