Travis: test against PHP 7.1

Slamdunk · Slamdunk · commit 701cdcec0d54 · 2016-10-17T17:11:43.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ sudo: false
 
 php:
   - 7.0
+  - 7.1
 
 install:
   - composer self-update
