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Adopt 1-indexed logs. With this change, fix many other dependent issues #75
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Fixes: #30, #32, #33, #37, #38, #41, #42, #48, #58, #59
I wish I could make this a smaller PR, but all these changes are dependent on 1-indexing.
This almost certainly breaks the existing unit tests -- but I'm fairly confident this is correct -- my fuzz tester hasn't found any safety violations in the last ~8 hours of testing.
Note! There are probably still bugs in ReplicatedLog.scala in the presence of log compaction
For what it's worth, I gave you write access to my akka-raft fork. I'm currently on a deadline, and don't have time to deal with comments, keeping PR branches up-to-date, etc, but I'm happy to answer questions.