Merge pull request #229 from PrivateStorageio/228.tahoe-lafs-1.16.x-ci

.circleci/config.yml

default.nix

nix/repo-1_16_0_rc1.nix

nix/setup.cfg.patch

nix/tahoe-lafs-1_16.nix

setup.cfg

src/_zkapauthorizer/_storage_client.py

src/_zkapauthorizer/_storage_server.py

src/_zkapauthorizer/foolscap.py

src/_zkapauthorizer/storage_common.py

src/_zkapauthorizer/tests/fixtures.py

src/_zkapauthorizer/tests/strategies.py

src/_zkapauthorizer/tests/test_plugin.py

src/_zkapauthorizer/tests/test_storage_protocol.py

src/_zkapauthorizer/tests/test_storage_server.py

zkapauthorizer.nix