Added support for help switch in expire tools.

module/VuFindConsole/src/VuFindConsole/Controller/UtilController.php

@@ -367,6 +367,26 @@ class UtilController extends AbstractBase
      */
     public function expiresearchesAction()
     {
+        $this->consoleOpts->addRules(
+            [
+                'h|help' => 'Get help',
+            ]
+        );
+
+        if ($this->consoleOpts->getOption('h')
+            || $this->consoleOpts->getOption('help')
+        ) {
+            Console::writeLine('Expire old searches in the database.');
+            Console::writeLine('');
+            Console::writeLine(
+                'Optional parameter: the age (in days) of searches to expire;'
+            );
+            Console::writeLine(
+                'by default, searches more than 2 days old will be removed.'
+            );
+            return $this->getFailureResponse();
+        }
+
         return $this->expire(
             'Search',
             '%%count%% expired searches deleted.',
@@ -382,6 +402,26 @@ class UtilController extends AbstractBase
      */
     public function expiresessionsAction()
     {
+        $this->consoleOpts->addRules(
+            [
+                'h|help' => 'Get help',
+            ]
+        );
+
+        if ($this->consoleOpts->getOption('h')
+            || $this->consoleOpts->getOption('help')
+        ) {
+            Console::writeLine('Expire old sessions in the database.');
+            Console::writeLine('');
+            Console::writeLine(
+                'Optional parameter: the age (in days) of sessions to expire;'
+            );
+            Console::writeLine(
+                'by default, sessions more than 2 days old will be removed.'
+            );
+            return $this->getFailureResponse();
+        }
+
         return $this->expire(
             'Session',
             '%%count%% expired sessions deleted.',