Make Python 3.8 wheels.

Author: charris

.appveyor.yml

@@ -50,6 +50,14 @@ environment:
       PYTHON_VERSION: 3.5
       PYTHON_ARCH: 64
 
+    - PYTHON: C:\Python38rc1
+      PYTHON_VERSION: 3.8
+      PYTHON_ARCH: 32
+
+    - PYTHON: C:\Python38rc1-x64
+      PYTHON_VERSION: 3.8
+      PYTHON_ARCH: 64
+
 init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"
   - "ECHO \"%APPVEYOR_SCHEDULED_BUILD%\""

.travis.yml

@@ -63,6 +63,11 @@ matrix:
       env:
         - MB_PYTHON_VERSION=3.7
         - MB_PYTHON_OSX_VER=10.9
+    - os: osx
+      language: generic
+      env:
+        - MB_PYTHON_VERSION=3.8
+        - MB_PYTHON_OSX_VER=10.9
 
 before_install:
     - if [ "$TRAVIS_BRANCH" == "master" ]; then