Merge & clean OAuth support
Fix Py3k syntax errors
Clean ups.
Merge OAuth2 work.
Update docs for OAuth 2.0
Tweak docs
Correcy typo.
Add some simple numQueries tests.
More bits of cleanup
Added @dulaccc.

For the awesome OAuth 2 support in #693.
Fixes for auth header checking.
Merge
Fix crazy typo.
Docs polishing.
Add TokenHasReadWriteScope class for permissions based on scopes
Add the implementation for TokenHasReadWriteScope permissions w/ oauth 1
Failing test to show problem of #720
Fixed #720
Merge pull request #722 from Bouke/patch-1

PrimaryKeyRelatedField with OneToOneField serializes wrong object's id
Added @bouke for bug fix #722. Thanks!