Added dependency to phpunit/php-file-iterator.

Author: tomzx

composer.json

@@ -22,7 +22,8 @@
 	"require": {
 		"php": ">=5.4.0",
 		"symfony/console": "2.7.*@dev",
-		"nikic/php-parser": "~1.0.2"
+		"nikic/php-parser": "~1.0.2",
+		"phpunit/php-file-iterator": "~1.3"
 	},
 	"require-dev": {
 		"phpunit/phpunit": "~4"