code: public static ThriftClient build(String host, int port) throws TException {
          return build(host, port, null);
      }
docs: Returns a new client for the specified host.
  
  @param host the Cassandra host address.
  @param port the Cassandra host RPC port.
  @return a new client for the specified host.
  @throws TException if there is any problem with the {@code set_keyspace} call.