use '==' for comparison against empty string instead of 'is'
Merge pull request #20 from marconi/master

use '==' for comparison against empty string instead of 'is'
Add additional exceptions for flake8
Drop an unused import
Final flake8 fixes
Due to django.utils.six being required, do not run tests on Django 1.3 and 1.4
Fallback to systemwide six on older versions of Django
Document six requirement on <1.5
Merge pull request #19 from emperorcezar/master

Use bigint for db_type
Add an AUTHORS file
Release 1.0
Reset migrations for 1.0