RC.cluster.name returns the name of the cluster.  RC.version returns the protocol version.
  RC.describe.keyspace returns a keyspace definition.
  RC.describe.keyspaces returns a list of definitions for all
  keyspaces.
RC.cluster.name(conn)
RC.version(conn)
RC.describe.keyspaces(conn)
RC.describe.keyspace(conn, keyspace)RC.connectRC.cluster.name and RC.version a string.For RC.describe.keyspace a structure describing the keyspace -
  see KsDef structure in Cassandra.For RC.describe.keyspaces a list of the KsDef strctures.
RC.connect, RC.get