added the update capability. support now the nested values of get.

CONTRIBUTING.rst

@@ -67,6 +67,7 @@ Ready to contribute? Here's how to set up `django-rest-models` for local develop
 
     $ mkvirtualenv django-rest-models
     $ cd django-rest-models/
+    $ pip install -r requirements.txt
     $ python setup.py develop
 
 4. Create a branch for local development::

rest_models/backend/auth.py

@@ -4,6 +4,7 @@
 import logging
 
 from requests.auth import AuthBase, HTTPBasicAuth
+
 from rest_models.backend.exceptions import FakeDatabaseDbAPI2
 
 logger = logging.getLogger(__name__)

rest_models/backend/base.py

@@ -6,7 +6,9 @@
 
 from django.db.backends.base.base import BaseDatabaseWrapper
 from django.db.backends.base.validation import BaseDatabaseValidation
-from rest_models.backend.connexion import ApiConnexion, DebugApiConnectionWrapper
+
+from rest_models.backend.connexion import (ApiConnexion,
+                                           DebugApiConnectionWrapper)
 from rest_models.backend.exceptions import FakeDatabaseDbAPI2
 
 from .client import DatabaseClient

rest_models/backend/client.py

@@ -3,6 +3,7 @@
 
 from django.db.backends.base.client import BaseDatabaseClient
 from django.test.testcases import LiveServerThread, _StaticFilesHandler
+
 from rest_models.backend.connexion import LocalApiAdapter