Fixed test.
Altered model to accep multiple collection types (separated by a comma)
Removed composer.lock from repo.
Added composer.lock.
Added /relationships endpoint.
Removed ACF repeater util.
Store /relationships endpoint for an hour. Everything else for 5 minutes.
Added regex to route so it doesn't collide with soon to be implemented /:type/search endpoint.
Fixed bug that didn't allow multiple queries using the same Query object -- reset the query variables between queries.
Added search endpoint and added 'q' parameter to parameter validator.
Created /search endpoint that queries elasticsearch, returns results and finds content related to those results.