Merge branch 'logging' into 053-dummy-image

src/agora/abc.py

src/agora/io/bridge.py

src/agora/io/metadata.py

src/agora/io/signal.py

src/aliby/baby_client.py

src/aliby/pipeline.py

src/aliby/tile/tiler.py

src/extraction/core/extractor.py