- add ResumptionToken for OAI-ListIdentifiers

- max identifiers and reciords via config
- add constants.php
- add clear-expired command for deleting obsolete cache

config/app.php

@@ -13,6 +13,8 @@ return [
     |
     */
 
+    'workspacePath' => storage_path() . DIRECTORY_SEPARATOR . "workspace",
+
     'name' => env('APP_NAME', 'App'),
     
      /*