Update version number to 1.6.0

Author: Shakeel Mohamed

README.md

@@ -1,7 +1,7 @@
 [![Build Status](https://travis-ci.org/splunk/splunk-sdk-python.svg?branch=master)](https://travis-ci.org/splunk/splunk-sdk-python)
 # The Splunk Software Development Kit for Python
 
-#### Version 1.5.0
+#### Version 1.6.0
 
 The Splunk Software Development Kit (SDK) for Python contains library code and 
 examples designed to enable developers to build applications using Splunk.

splunklib/__init__.py

@@ -14,6 +14,6 @@
 
 """Python library for Splunk."""
 
-__version_info__ = (1, 5, 0)
+__version_info__ = (1, 6, 0)
 __version__ = ".".join(map(str, __version_info__))
 

splunklib/binding.py

@@ -1343,7 +1343,7 @@ def request(url, message, **kwargs):
         head = {
             "Content-Length": str(len(body)),
             "Host": host,
-            "User-Agent": "splunk-sdk-python/1.5.0",
+            "User-Agent": "splunk-sdk-python/1.6.0",
             "Accept": "*/*",
             "Connection": "Close",
         } # defaults