Updated supported versions

Author: nficano

setup.py

@@ -46,14 +46,10 @@
         "Intended Audience :: Developers",
         "License :: OSI Approved :: ISC License (ISCL)",
         "Natural Language :: English",
-        "Programming Language :: Python :: 2",
-        "Programming Language :: Python :: 2.6",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.3",
-        "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
     ],
     test_suite="tests",
     tests_require=test_requirements,