Merge pull request #158 from duncan3dc/patch-1

[Travis] Test on PHP 7.1

Author: reinink

.travis.yml

@@ -11,6 +11,7 @@ php:
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
   - hhvm
 
 cache:
@@ -28,4 +29,4 @@ script:
 
 after_script:
   - wget https://scrutinizer-ci.com/ocular.phar
-  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover