Merge pull request #94 from PrivateStorageio/92.more-tokens

src/_zkapauthorizer/_plugin.py

src/_zkapauthorizer/_stack.py

src/_zkapauthorizer/controller.py

src/_zkapauthorizer/resource.py

src/_zkapauthorizer/tests/test_client_resource.py

src/_zkapauthorizer/tests/test_controller.py

src/_zkapauthorizer/tests/test_plugin.py