[GH-45]Use the highest protocol version for pickle
0.3.5
Features: [GH-39] Unique items only (no duplicates)
Enhancements: [GH-42] Use circle 2.0 for CI [GH-43 ]Add doc and tests for UniqueQ
0.3.4
Fixes: [GH-34]: Feature request: peek head item [GH-36]: task_done not behaving as I would expect
0.3.3
Fix:
* [GH-29]Fix cpu bound when queue is empty
0.3.2
Enhancement:
[GH-28]Speed up sqlite queue using WAL
0.3.1
Bugfixes: [GH-22]: In-Memory Database Issues [GH-24]: FIFOSQLiteQueue: the get() method returns None instead of blocking, and if I specify get(block=True) it raises the empty exception