WIP, remembered that configs are used when appended, not when committed
= [#9] cluster membership changes and log replication fixes
> moved to fishing for "committed entry N" messages instead of sleeping
+ Added raft.publish-testing-events, to configure if additional events should be sent to the event stream; one example would be "committed entry N"
small todo cleanup
= improved tests style, and predictability; removed sleeps
= improved test predictability