Ensure valid mongo selector object
Force file node to write "binary"  - so as not to expand binary like chars
into utf encoding. Helps with writing strings that happen to be binary
encoded rather than buffers.
Add credentials support to node test helper.
Fix supertest usage to correctly throw errors.
Merge pull request #419 from hindessm/add-credentials-to-test-helper

Add credentials support to node test helper.
Add nock to node test helper.
Merge pull request #427 from hindessm/add-nock-to-node-test-helper

Add nock to node test helper.
Make nock an optional dependency.
Merge pull request #429 from hindessm/fix-build-without-nock

Make nock an optional dependency.
Merge pull request #421 from hindessm/fix-supertest-usage

Fix supertest usage to correctly throw errors.
input labels
Fix merge error
Subflow stuff

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