fix function names and dotted lookups for use in PrimaryKeyRelatedField.field_to_native (they work in RelatedField.field_to_native already)
Merge remote-tracking branch 'upstream/master'
add tests for related field source for RelatedField and PrimaryKeyRelatedField. #694
add tests for related field source for HyperlinkedRelatedField. #694
add tests for dotted lookup in RelatedField, PrimaryKeyRelatedField, and HyperlinkedRelatedField. #694
Merge pull request #694 from craigds/master

fix function names and dotted lookups for use in PrimaryKeyRelatedField