added str and get abs tests
Merge branch 'master' into tests, added tests, changed assertion methods
removed can_author, cleaned up code
Merge branch 'master' into tests

Conflicts:
	django_mesh/templates/django_mesh/channel_view.html
fixed len to len(url) while testing model
Merge pull request #23 from HN23/tests

Tests
Merge branch 'master' into issue-6