Add support for PHPUnit 6.5 (#22)

Author: keradus

.travis.yml

@@ -57,6 +57,7 @@ script:
     - ./run-tests.sh ~6.2.0 || travis_terminate 1
     - ./run-tests.sh ~6.3.0 || travis_terminate 1
     - ./run-tests.sh ~6.4.0 || travis_terminate 1
+    - ./run-tests.sh ~6.5.0 || travis_terminate 1
 
 jobs:
     include:

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": "^5.5 || ^7.0",
-        "phpunit/phpunit": "~4.0.0 || ~4.1.0 || ~4.2.0 || ~4.3.0 || ~4.4.0 || ~4.5.0 || ~4.6.0 || ~4.7.0 || ~4.8.0 || ~5.0.0 || ~5.1.0 || ~5.2.0 || ~5.3.0 || ~5.4.0 || ~5.5.0 || ~5.6.0 || ~5.7.0 || ~6.0.0 || ~6.1.0 || ~6.2.0 || ~6.3.0 || ~6.4.0"
+        "phpunit/phpunit": "~4.0.0 || ~4.1.0 || ~4.2.0 || ~4.3.0 || ~4.4.0 || ~4.5.0 || ~4.6.0 || ~4.7.0 || ~4.8.0 || ~5.0.0 || ~5.1.0 || ~5.2.0 || ~5.3.0 || ~5.4.0 || ~5.5.0 || ~5.6.0 || ~5.7.0 || ~6.0.0 || ~6.1.0 || ~6.2.0 || ~6.3.0 || ~6.4.0 || ~6.5.0"
     },
     "conflict": {
         "hhvm": "*"