Try another composer config

.gitignore

@@ -55,3 +55,4 @@ Thumbs.db
 ################
 config.php
 data/files
+vendor

app/common.php

@@ -3,8 +3,6 @@
 // Common file between cli and web interface
 
 require 'vendor/autoload.php';
-require __DIR__.'/functions.php';
-require __DIR__.'/helpers.php';
 
 // Include custom config file
 if (file_exists('config.php')) {

composer.json

@@ -9,6 +9,10 @@
         "lusitanian/oauth": "0.3.5"
     },
     "autoload": {
-        "psr-0": {"": "app/"}
+        "psr-0": {"": "app/"},
+        "files": [
+            "app/helpers.php",
+            "app/functions.php"
+        ]
     }
 }