API support for managing items

I appreciate the additional detail. It took some experimentation to figure all that out.

It turns out the problem I was having was that I was adding two slashes after the base url. For example, I was using http://localhost:8087//object/fingerprint/me instead of http://localhost:8087/object/fingerprint/me. That resulted in a Not Found response, which given the circumstances, was a bit confusing.