Add missing commas in relations.md

Be sure to import UserSerializer

Feature: add transform_<fieldname> methods to serializers

typo fix

support args on get_object_or_404

Fix a TypeError when a serializer is created with files but no data

Update release-notes.md

Simple typo fix.

corrected doc for throttle_classes decorator

the decorator actually expects an array and otherwise raise an exception.

Minor documentation fix.

Address pending deprecation of Model._meta.module_name in Django 1.6

Match docs to current code.

Mindnumbingly trivial single-char typo.

Clear cached serializer data on `save()` + test. Fixes #1116.