Also allow PHP 7.1 to fail

WyriHaximus · WyriHaximus · commit f0b900a5a966 · 2018-07-28T18:42:30.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -16,6 +16,7 @@ php:
 matrix:
   allow_failures:
     - php: 5.4
+    - php: 7.1
 
 install:
   - ./travis-init.sh
