Merge pull request #359 from tomchristie/relationship_tests

Relationship tests
Update release notes
Bye bye star import
Added test that makes sure that fields with
dictionaries as data are returned as expected and
not turned into string representations
Added test for ModelSerializer Meta fields
returning as expected
Merge pull request #360 from jmagnusson/master

Tests for pull #358 "Return dictionaries as is"
Added @jmagnusson.  Thanks!
Add tests for caching of GET/HEAD requests using
Django's built in caching framework.
Currently fails as some attributes on the Response
object are not pickable
Remove attributes that are not needed when caching
the Response object. This fixes #346
Merge branch 'master' of git://github.com/tomchristie/django-rest-framework
Remove `request' from response instance while
testing caching
Fix for bug #363: ChoiceField missing in renderers.py
This accounts for none(null) values of rel.to when converting model fields from native
Merge pull request #366 from jmagnusson/master

Support for Djangos caching framework, fixes #346
Merge pull request #364 from mjs7231/master

Fix for bug #363: ChoiceField missing in renderers.py
Merge pull request #365 from osiloke/e74772b8a6d0d9d218946a6bc8411afe8e77e0bb

Rare case where rel attribute of model field is None and DRF tries to return rel.to
Added @osiloke.  Thanks!
Update release notes.
Include queryset missing exception on writable SlugField
Merge remote-tracking branch 'upstream/master'