add Python 3.8 support (#98)

Author: jnozsc

.travis.yml

@@ -7,6 +7,7 @@ python:
   - "3.5"
   - "3.6"
   - "3.7"
+  - "3.8"
 install:
   - "python setup.py install"
   - "pip install -U pip"

setup.py

@@ -25,8 +25,11 @@
         'Programming Language :: Python :: 2',
         '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',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ]