corrected tests and serializer so they can support custom user model, added a readme (to be expanded) with configuration information for the field renkan api will use to render user information
from rest_framework.authentication import SessionAuthentication
class CsrfExemptSessionAuthentication(SessionAuthentication):
"""
Session authentication class to use with Renkan client, as it does not provide a csrf token
"""
def enforce_csrf(self, request):
return