Made a conduit call with `arc`:
```
echo '{"slugs": ["foo"]}' | arc --conduit-uri='http://phabricator.joshuaspence.com' call-conduit project.query
Waiting for JSON parameters on stdin...
{"error":null,"errorMessage":null,"response":{"PHID-PROJ-ttomlhslujpx5sdpbu2c":{"id":"1","phid":"PHID-PROJ-ttomlhslujpx5sdpbu2c","name":"Foo","members":["PHID-USER-cb5af6p4oepy5tlgqypi"],"slugs":{"1":"foo","2":"bar"},"dateCreated":"1402422720","dateModified":"1402422728"}}}
```