Add another invalid character

As it turns out, the pipe character also causes Jackrabbit errors.

Author: UFTimmy

src/Doctrine/Phpcr/RouteProvider.php

@@ -64,7 +64,7 @@ public function __construct(
      */
     public function getCandidates(Request $request)
     {
-        $invalidCharacters = [':', '[', ']'];
+        $invalidCharacters = [':', '[', ']', '|'];
         foreach ($invalidCharacters as $invalidCharacter) {
             if (false !== strpos($request->getPathInfo(), $invalidCharacter)) {
                 return [];