v4.0.18

commit 26647524225d31c789a00df968134ca8e3d2c13b
Author: Victor Lowther <victor.lowther@gmail.com>
Date:   Mon Aug 26 15:17:22 2019 -0500

    Derp, acutally use toReplay twice.

M   backend/requestTracker.go

commit 72868b84f8a45ebdc2b41bfea0a19cdaa516cc51
Author: Victor Lowther <victor.lowther@gmail.com>
Date:   Mon Aug 26 15:14:56 2019 -0500

    Allow log replay to happen in the background for the most part

M   backend/requestTracker.go
M   backend/wal.go

End of Note