Fixed #53 to make sure pass is actually outputted

By adding an explicit `echo` statement in the create function if `$output` is true.

PKPass.php

@@ -256,19 +256,22 @@ public function create($output = false)
             return false;
         }
 
+        // Get contents of generated file
+        $file = file_get_contents($paths['pkpass']);
+        $this->clean();
+
         // Output pass
         if ($output == true) {
-
             $fileName = ($this->getName()) ? $this->getName() : basename($paths['pkpass']);
             header('Pragma: no-cache');
             header('Content-type: application/vnd.apple.pkpass');
             header('Content-length: ' . filesize($paths['pkpass']));
             header('Content-Disposition: attachment; filename="' . $fileName . '"');
+
+            echo $file;
+            return true;
         }
 
-        $file = file_get_contents($paths['pkpass']);
-        $this->clean();
-
         return $file;
     }