[4/5] More complicated protocols have benefits, but need Garbage Collection. This causes mo' conflicts and mo' problems. These are solved with boundary files that track how far along GC has…

1/ SlateDB v0.13 is now available! - Log tree segments (our twist on column families) - DB rescaling (split and union DBs 😵‍💫) - New cache warmer - Better API ergonomics (reader/writer traits) -…

We're damn serious about correctness with SlateDB because using object storage for online systems is serious work. I learned a lot reviewing @criccomini's formal fizbee specification for Garbage…