Merge pull request #1 from tomchristie/master

Update from main
Add support for removing field files by sending an empty string
Merge pull request #2 from tomchristie/master

Update to latest
Make OneToOneSource.target nullable
Failing test case for nullifying nested object
If null or blank - don't save the nested object
PATCH requests should not be able to create objects.
Merge pull request #1032 from yprez/writable-nested-modelserializer_fixes

Writable nested serializer - fix setting nested serializer to null
Merge pull request #3 from tomchristie/master

Update to latest
Update parsers.md

s/renderers/parsers/
Merge pull request #1056 from ramiro/patch-1

Fix typo
Add @ramiro for #1056 thanks!
force_authenticate(None) also clears session info.

Closes #1055.
Add missing period.
Merge branch 'fix_937' of git://github.com/aburgel/django-rest-framework into aburgel-fix_937
Add validation error test when passing non-file to FileField
Update release notes
Merge pull request #1034 from KrzysiekJ/patch-create-fallback-removal

PATCH requests should not be able to create objects.
Extra docs on PATCH with no object.
Added @krzysiekj

For work on #1034.  Thanks!