update version to 1.6.7

Author: ljiang1

examples/searchcommands_app/setup.py

@@ -439,7 +439,7 @@ def run(self):
     setup(
         description='Custom Search Command examples',
         name=os.path.basename(project_dir),
-        version='1.6.6',
+        version='1.6.7',
         author='Splunk, Inc.',
         author_email='[email protected]',
         url='http://github.com/splunk/splunk-sdk-python',

splunklib/__init__.py

@@ -16,5 +16,5 @@
 
 from __future__ import absolute_import
 from splunklib.six.moves import map
-__version_info__ = (1, 6, 6)
+__version_info__ = (1, 6, 7)
 __version__ = ".".join(map(str, __version_info__))