Bugfix config loading from phar

src/Configuration.php

@@ -23,7 +23,12 @@ class Configuration
     {
         $config = new Configuration();
 
-        $yaml = Yaml::parseFile($file);
+        $file = realpath($file);
+        if (!file_exists($file)) {
+            throw new \Exception("Configuration file not found");
+        }
+        $data = file_get_contents($file);
+        $yaml = Yaml::parse($data);
 
         if (isset($yaml['security'])) {
             $security = $yaml['security'];