README with passing doctest
Split README fixture into Mixin in tests.py
Add ClientTest
Add serialise_data_test for ClientTest
Add X-ApiKey header on all requests with KeyAuth
Inherit tests from a common base test case
Allow retrieving data attributes from our models
Set request side_effects in README_fixture.py
Add API Client just for feeds for now.
Merge remote-tracking branch 'origin/master'
Make 2to3 happy.