fixing examples for both py2 and py3.x

Author: Josh Mervine

examples/report.py

@@ -30,7 +30,7 @@
 
     # summary
     fetch = maxcdn.get("/reports/%s/stats.json%s" % (zone["id"], report))
-    for key, val in fetch["data"]["summary"].iteritems():
+    for key, val in fetch["data"]["summary"].items():
         print(" - %s: %s" % (key, val))
 
     # popularfiles