Added priority to QueueItem.Ack
LogQueue unit tests for ConsistentQueue trait implementation
Add queue name in QueueItem
ConsistentBwl unit tests
Widen test result range to reduce false positive
Ensure LogQueue can only be stopped once
Ensure LogQueue can only be stopped once (try #2)
Ensure LogQueue can only be stopped once (try #3)
Clarification after code  review
Merge pull request #18 from wajam/manu-consistent-test

ConsistentBwl unit tests