Add more information about failing steps in low verbosity output
Remove hardcoded line numbers from functional tests

Adding tests should not break tests.
Merge pull request #405 from infoxchange/add_failed_scenarios_to_dots_output

Add more information about failing steps in low verbosity output
Add wraps
Return written models from write_models
Merge remote-tracking branch 'upstream/master' into django-model-update

Conflicts:
	tests/integration/test_dill.py
Merge branch 'django-model-update' into integration