Edited phpunit version to use full semantic versioninig

Alastair Moore · Alastair Moore · commit f5900bba3fd8 · 2015-06-22T16:35:31.000+09:30
diff --git a/composer.json b/composer.json
@@ -20,7 +20,7 @@
         "php": ">=5.3.0"
     },
     "require-dev": {
-      "phpunit/phpunit": "^4.7"
+      "phpunit/phpunit": "^4.7.0"
     },
     "autoload": {
         "psr-0": {
