Merge branch 'cleanup' into 'dev'

examples/extraction/pos_example.py

src/agora/io/bridge.py

src/agora/io/signal.py

src/agora/io/utils.py

src/agora/io/writer.py

src/agora/utils/example.py

src/agora/utils/lineage.py

src/aliby/baby_client.py

src/aliby/haystack.py

src/aliby/io/omero.py

src/aliby/io/utils.py

src/aliby/pipeline.py

src/aliby/tile/tiler.py

src/aliby/tile/traps.py

src/aliby/utils/argo.py

src/aliby/utils/cache.py

src/extraction/core/extractor.py

src/extraction/core/functions/io.py

src/extraction/core/functions/utils.py

src/extraction/core/functions/versioning.py