Merge pull request #12 from ter-informatique/sf4

Update mnapoli/silly-php-di to allow symfony 4

Author: Martin Damien

composer.json

@@ -18,8 +18,7 @@
         "php": ">=7.1",
         "eloquent/composer-config-reader": "^2.1",
         "friendsofphp/php-cs-fixer": "^2.0",
-        "mnapoli/silly-php-di": "^1.1",
-        "php-di/php-di": "^5.4",
+        "mnapoli/silly-php-di": "^1.2",
         "symfony/filesystem": "~3.3|~4.0",
         "symfony/process": "~3.3|~4.0"
     },