Adding support for a second instance !

Redis cluster needs 6 hosts for work ... it's a lot.
To trick him each node can be Master and slave for another node.

;)

creolefuncs/redis.py

@@ -6,3 +6,6 @@
 #
 def add(num1, num2):
     return str(int(num1) + int(num2)).decode("utf-8")
+
+def intAdd(num1, num2):
+    return int(num1) + int(num2)