NB: Prep for Cluster merge (refactor protocol, etc.)
Fix Tundra tests to work with new request design
v3.0.0-SNAPSHOT, deps: Clojure 1.6.0-beta1, Nippy 2.6.0-alpha3
Clean up Cluster key hashing stuff, document non-string key TODO
Document choice to _not_ throw on non-cluster cmds in cluster mode
Document possible efficient expected-slot mechanism
Tundra hk, incl. improved unit test reliability
Provide explicit protocol buffer size (16k)
Update CHANGELOG
Update README