Amend setup.py

Change-Id: Ib943487a3214889143ee749b8b2fc6d4a031ff3b
diff --git a/setup.py b/setup.py
index 53f5cb8..65d92ed 100644
--- a/setup.py
+++ b/setup.py
@@ -16,8 +16,13 @@
     packages=find_packages(),
     classifiers=[
         "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: BSD License",
-        "Operating System :: OS Independent",
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'License :: OSI Approved :: BSD License',
+        'Operating System :: OS Independent',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Science/Research',
     ],
     test_suite='nose.collector',
     tests_require=['nose'],