Add print of rcu modes

crossecho_client.py

@@ -52,6 +52,7 @@ def main():
     result = obj.call_method("{}:record_cross".format(idx), 100, 2)
     print("Timestamp is ", result[0])
     print("Crosscorrelations are ", numpy.array(result[1]))
+    print("RCU modes are", numpy.array(result[2]))
 
     client.close_session()
     client.close_secure_channel()