Add PHP 7.1 to the Travis CI matrix

Author: sodabrew

.travis.yml

@@ -2,6 +2,12 @@ language: php
 
 php:
   - 7.0
+  - 7.1
+
+matrix:
+    fast_finish: true
+    allow_failures:
+        - php: 7.1
 
 notifications:
   email: false