Prepare mr.developer 1.27.
Bump.
Travis dropped support for Python 2.5.
Mercurial now checks if working copy is ahead of remote branch.
Fix string handling to work on Python 3 as well.
Merge pull request #132 from rafaelbco/master

Mercurial now checks if working copy is ahead of remote branch.
Prepare mr.developer 1.28.
Bump.
Preserve buildout order for 'develop' field
Merge pull request #135 from anjos/master

Preserve buildout order for 'develop' field
Prepare mr.developer 1.29.
Bump.
Fix regression introduced by 1.29 release when `develop =` is empty and
using `sources`
Merge pull request #138 from Trii/master

Fix regression introduced by 1.29 release when `develop =` is empty and using `sources`
Changelog entry and test.
Prepare mr.developer 1.30.
Bump.
PEP8 fixes.
Add Python 3.3 to Travis.
Add pytest-flakes.