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This release only updates the built in redis server to redis version 3.2.9

This release upgrades the embedded redis server to version 3.2.6.

It also adds Python 3.6 to the supported python interpreters.

• Fix server start failures when the rdb filename has a space or quote character in it

This release changes has the followign changes:

Allow the serverconfig argument of the Redis/StrictRedis objects to accept a list of values that are used to provide the same setting multiple times in the configuration with different values. It also allows the serverconfig to take any valid redis server config setting.

Fix for race condition on redis-server start in issue #98