Change Finders and Defaultable to handle an api response of an empty array when finding a single resource.
Merge pull request #119 from ryanhertz/MWEB-1217-handle-nil-default Mweb 1217 handle nil default
Merge pull request #119 from ryanhertz/MWEB-1217-handle-nil-default Mweb 1217 handle nil default