min/go-queue: Fork from github.com/phf/go-queue with exposed internal list @ fa92cdb8e6c1fd3523282487d96e90a2e081a361

Peter H. Froehlich fa92cdb8e6 No more q.empty() in Front and Back.		8 lat temu
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queue.go	fa92cdb8e6 No more q.empty() in Front and Back.	8 lat temu
queue_test.go	f407d31118 Queues can shrink now, more tests, benchmarking in progress.	8 lat temu