Pin the pep8 version.
Fix blank lines checking to use blank_before which is like super useful.
Fix trailing space functional test.
Update setup.py to point at Github. (closes #78)
Merge pull request #64 from dreid/upgrade-pep8

Upgrade pep8
Merge pull request #79 from mithrandi/78-setup.py-github

Update setup.py to point at Github. (closes #78)
pin logilab-common version
Merge master.