Release v0.5.0-alpha.3

Release 0.5.0-alpha.3

0.5.0 introduces some small improvements based on the mature 0.4 version.

Major improvements

• Support some popular redis cluster clients and add tests for them.
  • Redission
  • Jedis
  • go-redis
  • redis-py-cluster
• Make some multi-key commands atomic during key migration Now EVAL and MSETNX are atomic for each slot even during migration.
• Add timeout for redis connections.
• Support MSETNX thanks to @traceming2
• Support BZPOPMIN and BZPOPMAX thanks to @cfeitong
• Metadata Compression

Other Improvements

• Support UNDERMOON_DISABLE_FAILOVER for testing
• Support HELLO command to explictly disable RESP version 3
• Support COMMAND command
• Amend 2-phase docker image building

Fixes

• Fix migration task interrupted to v0.5
• Add retry for initializing broker data to v0.5