Added generic/default autoloader

autoload.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Fetch package.
+ *
+ * (c) Robert Hafner <tedivm@tedivm.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+spl_autoload_register(function($class)
+{
+    $file = __DIR__.'/src/'.strtr($class, '\\', '/').'.php';
+    if (file_exists($file)) {
+        require $file;
+        return true;
+    }
+});