fix(crumb): Fix error for subpages: Attempt to read property "ID" on int (#14)

Author: ouun

src/Crumb.php

@@ -94,7 +94,7 @@ public function build()
                     $this->add(
                         get_the_title($item),
                         get_permalink($item),
-                        $item->ID
+                        $item
                     );
                 });
             }