Add API representation objects.
Consolodate references into representations.
Add method to get values from resource entity representation.
Remove unneeded key from context.
Use getData.
toArray should return an array.
Move entity representation classes to separate namespace.
Clarify docs.
Begin converting all responses to representation objects.
Modify representation classes.
Require getId for all entities.
Set representation objects to API responses.
Move extract to representations.
Add references to representations.
Require representations in response content.
Move content check to separate method.
Move RDF import to a service.
Fix first user installation.
Correctly validate an array or representations.
Extract full representations for references.