Added _post_clean() behaviour by adding a .perform_model_validation() method.
Fixed some tests that were failing due to extra strict validation.
Cleanup.
Added a validate_unique test.
Added setter to user property
Added an assertion to the tests that checks the '.errors' value for the unique-test
Moved model validation from .perform_validation() to .validate()
Added a get_excluded_fieldnames() method.
Model validation now excludes fields not listed in Meta fields (if set).
add traverse_related feature + tests (fixes issue#461)
fix test response
Merge pull request #448 from mhsparks/master

Add setter to user property on request object
Added @mhsparks. Thanks!
Added @mvdwaeter. Thanks!
fixed #469 - RegexField <--> BrowsableAPI Bug
Added support for 'true'/'false' as valid boolean data
Fixed wording.
Fixed typos and fixed wording.

Some singular/plural fixes.
Fixed some 'serialise->serialize' kind of UK/US differences. The 'z' seems more common in the rest of the docs, so that's what I used.
Removed a half-finished-sentence left dangling somewhere.
Update docs/api-guide/permissions.md

@permission_classes takes a tuple or list.
Textual fixes.

Added a sentence introducing the second view.
Fix one or two additional sentences.
Small textual fixes.
Small textual fixes.