v1.1.2

What's Changed

• bugfix backoff: add max-wait, actually use parameter by @frairon in #367
• issue #355, add lock for memory-storage by @frairon in #368
• bugfix #371, updated sarama v1.27.0 -> v1.32.0 by @frairon in #372

Full Changelog: v1.1.1...v1.1.2