chore: release-1.6.0

 ### Issues

 * Fix tokenserver/scripts/purge_old_records.py (#222)

Author: jrconlin

setup.py

@@ -23,7 +23,7 @@ def load_req(filename):
 
 
 setup(name='tokenserver',
-      version='1.5.11',
+      version='1.6.0',
       packages=find_packages(),
       include_package_data=True,
       zip_safe=False,