I added resource decorator unit tests. It complies with ROA specification.
I added the register_resource code into ResourcesRegistry.
I added support for retrieving resources from registry by name. In addition I added support for latest pseudo version into registry.
I added find resource by url support in ResourcesRegistry. It also works without resource version.
I added all resources test case for ResourcesRegistry.
I added another test for empty ResourcesRegistry listing.
I completely implemented ResourcesRegistry.
I fixed a method name pylint warning in ResourcesRegistry.
I added support for subresources definition.
I fixed a problem in documentation.
I updated class diagram for ROA.