Spec for Riak-assigned keys on CRDTs
Allow CRDT initialization with nil keys
Store server-assigned keys into CRDT API object
document nil key
Document nil key and bucket type defaults
document key reader on crdt base
it's a set
fix specs to return a response from operate
Merge pull request #155 from basho/bk-crdt-server-assigned

Riak-assigned keys for CRDTs