Memorialize Python 3.7 support

Add Python 3.7 to classifiers in setup.py and to tox and travis
configurations.

Signed-off-by: Peter Grayson <[email protected]>

Author: jpgrayson

.travis.yml

@@ -17,12 +17,20 @@ matrix:
     - python: '3.5'
       env: MAKE_TARGET=test
     - python: '3.6'
+      env: MAKE_TARGET=test
+    - python: '3.7'
       env: MAKE_TARGET=coverage-test
+      dist: xenial
     - python: 'pypy3'
       env: MAKE_TARGET=test
+    - python: '3.8-dev'
+      env: MAKE_TARGET=test
+      dist: xenial
     - python: 'nightly'
+      dist: xenial
       env: MAKE_TARGET=test
   allow_failures:
+    - python: '3.8-dev'
     - python: 'nightly'
     - python: '2.6'
 

setup.py

@@ -105,6 +105,7 @@ def __check_git_version():
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Version Control',

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py26,py27,pypy,pypy3,py33,py34,py35,py36
+envlist = py26,py27,pypy,pypy3,py33,py34,py35,py36,py37
 skip_missing_interpreters = True
 
 [testenv]