Build for Python 3.7 on AppVeyor and Travis CI

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

.travis.yml

@@ -5,6 +5,10 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
+matrix:
+  include:
+    - python: 3.7
+      dist: xenial
 install:
   - pip install -r requirements.txt
 script:

appveyor.yml

@@ -13,6 +13,16 @@ environment:
       PYTHON_ARCH: "32"
       GAMMU_URL: https://dl.cihar.com/gammu/releases/windows/Gammu-1.40.0-Windows.exe
 
+    - PYTHON: "C:\\Python37-x64"
+      PYTHON_VERSION: "3.7.x"
+      PYTHON_ARCH: "64"
+      GAMMU_URL: https://dl.cihar.com/gammu/releases/windows/Gammu-1.40.0-Windows-64bit.exe
+
+    - PYTHON: "C:\\Python37"
+      PYTHON_VERSION: "3.7.x"
+      PYTHON_ARCH: "32"
+      GAMMU_URL: https://dl.cihar.com/gammu/releases/windows/Gammu-1.40.0-Windows.exe
+
     - PYTHON: "C:\\Python36-x64"
       PYTHON_VERSION: "3.6.x"
       PYTHON_ARCH: "64"