Merge pull request #15 from higidi/feature/13-php54-requirements-error

Feature/13 php54 requirements error

.gitignore

 composer.phar
+composer.lock
 /vendor/
-
-# Commit your application's lock file http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file
-# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
-# composer.lock

composer.json

@@ -30,12 +30,12 @@
   "require": {
     "composer-plugin-api": "^1.1",
     "squizlabs/php_codesniffer": "^2.0",
-    "symfony/finder": "^3.0",
-    "symfony/filesystem": "^3.0"
+    "symfony/finder": "^2.1 || ^3.0",
+    "symfony/filesystem": "^2.1 || ^3.0"
   },
   "require-dev": {
     "composer/composer": "^1.4",
-    "phpunit/phpunit": "^5.7"
+    "phpunit/phpunit": "^4.5 || ^5.0.5"
   },
   "extra": {
     "class": "Higidi\\ComposerPhpCSStandardsPlugin\\Plugin"