Python 3.8 3.9 support

Author: p1c2u

.travis.yml

@@ -6,8 +6,8 @@ matrix:
   - python: 3.5
   - python: 3.6
   - python: 3.7
-    dist: xenial
-    sudo: true
+  - python: 3.8
+  - python: 3.9
   - python: nightly
   - python: pypy3
   allow_failures:

setup.cfg

@@ -12,6 +12,8 @@ classifiers =
     Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
     Topic :: Software Development :: Libraries
 
 [options]