Merge pull request #140 from carusogabriel/patch-1

Test against PHP 7.1 and 7.2

Author: jsor

.travis.yml

@@ -5,7 +5,9 @@ php:
   - 5.4
   - 5.5
   - 5.6
-  - 7
+  - 7.0
+  - 7.1
+  - 7.2
 # - 7.0 # Mac OS X, ignore errors, see below
   - hhvm # ignore errors, see below