Adding django 2.0 and DRF 3.7.7 to test matrix
Adding django 2.0 and DRF 3.7.7 to test matrix

WGBH/django-versatileimagefield,respondcreate/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield