[PY3] futurize stage1

Author: brillliantz

data_api.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 from . import jrpc_py
 #import jrpc
 from . import utils

jrpc_py.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import zmq
 import time
 import random

utils.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 from collections import namedtuple
 import datetime  as dt
 import pandas    as pd