Pysoa

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- [MAJOR] Make Version 3 the default Redis gateway protocol version

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- [PATCH] Add missing assertLogs, fix assertCountEqual, rename some tests

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- [MAJOR] Bump PyMetrics to 1.0.x
- [MAJOR] Refactor ServerTestCase to not inherit from unittest.TestCase
- [PATCH] Fix new typing issues in MyPy 0.740
- [MINOR] Improve logging filter to add action name to record
- [MAJOR] Implement 197: Refactor ServerMiddleware job with EnrichedJobRequest
- [MAJOR] 196: Remove all deprecated features before release 1.0.0

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- [MINOR] Publish documentation on ReadTheDocs.io

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- [PATCH] Add support for Python 3.8
- [MINOR] Add gauges to track running and busy PySOA workers
- [MINOR] Improve `Server.make_client`, including with adding `calling_service`

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- [PATCH] Expand functional test system with more Redis