fix return value
return keyid as auth material when succesfully authenticated
Merge pull request #3 from kouk/master

return keyid as auth material when succesfully authenticated
revert return value for fix
bump version for API change
improved test code
Merge branch 'fix/fetch_user_data_return_value'
bump version for fix
Merge branch 'master' into httpsig

Conflicts:
	CHANGES.txt
	rest_framework_httpsignature/__init__.py
	setup.py