Also test against PHP 7.2 (#515)

arubacao · Marc Cámara · commit 74efe93f345c · 2017-12-31T04:34:34.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,7 @@ dist: trusty
 php:
   - 7.0
   - 7.1
+  - 7.2
 
 before_script:
   - composer self-update
