diff --git a/ajax/cron/activate.php b/ajax/cron/activate.php
index 25f4fbcc68353539e5f3d518befa59c2af4cda27..d203379cfa0930b0a636ce7a48241720b2b043f8 100644
--- a/ajax/cron/activate.php
+++ b/ajax/cron/activate.php
@@ -7,11 +7,11 @@
  */
 function package_quiqqer_cron_ajax_cron_activate($cronId)
 {
-    $Manager = new \QUI\Cron\Manager();
+    $Manager = new QUI\Cron\Manager();
     $Manager->activateCron($cronId);
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_cron_activate',
     array('cronId'),
     'Permission::checkAdminUser'
diff --git a/ajax/cron/deactivate.php b/ajax/cron/deactivate.php
index a9e04bad0f71300f2c9596bb205fa94a5006351b..43e51f640cf4867c8f1922e8c1a17f6bfce4947a 100644
--- a/ajax/cron/deactivate.php
+++ b/ajax/cron/deactivate.php
@@ -7,11 +7,11 @@
  */
 function package_quiqqer_cron_ajax_cron_deactivate($cronId)
 {
-    $Manager = new \QUI\Cron\Manager();
+    $Manager = new QUI\Cron\Manager();
     $Manager->deactivateCron($cronId);
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_cron_deactivate',
     array('cronId'),
     'Permission::checkAdminUser'
diff --git a/ajax/cron/executeCron.php b/ajax/cron/executeCron.php
index 845210be15543a37dae1abf5323c9744c8e30ee7..8b806ed063d43c0721e8e1755fc2296efad53b62 100644
--- a/ajax/cron/executeCron.php
+++ b/ajax/cron/executeCron.php
@@ -7,11 +7,11 @@
  */
 function package_quiqqer_cron_ajax_cron_executeCron($cronId)
 {
-    $Manager = new \QUI\Cron\Manager();
+    $Manager = new QUI\Cron\Manager();
     $Manager->executeCron($cronId);
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_cron_executeCron',
     array('cronId'),
     'Permission::checkAdminUser'
diff --git a/ajax/cron/get.php b/ajax/cron/get.php
index cfd4ddfe4e113823d949ad392630f1a26d79f290..8c9f6235a2d9db232ef1cc5fe7c883b70e877c91 100644
--- a/ajax/cron/get.php
+++ b/ajax/cron/get.php
@@ -9,12 +9,12 @@
  */
 function package_quiqqer_cron_ajax_cron_get($cronId)
 {
-    $Manager = new \QUI\Cron\Manager();
+    $Manager = new QUI\Cron\Manager();
 
     return $Manager->getCronById($cronId);
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_cron_get',
     array('cronId'),
     'Permission::checkAdminUser'
diff --git a/ajax/cron/toggle.php b/ajax/cron/toggle.php
index 03f0e5807bb07eac970e29d72ffec3216171dcd8..73e5c93a25e4465af905083852f2518c654d55b3 100644
--- a/ajax/cron/toggle.php
+++ b/ajax/cron/toggle.php
@@ -9,11 +9,11 @@
  */
 function package_quiqqer_cron_ajax_cron_toggle($cronId)
 {
-    $Manager = new \QUI\Cron\Manager();
-    $data = $Manager->getCronById($cronId);
+    $Manager = new QUI\Cron\Manager();
+    $data    = $Manager->getCronById($cronId);
 
     if (!$data) {
-        throw new \QUI\Exception('Cron not exists', 404);
+        throw new QUI\Exception('Cron not exists', 404);
     }
 
     if ($data['active'] == 1) {
@@ -23,7 +23,7 @@ function package_quiqqer_cron_ajax_cron_toggle($cronId)
     }
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_cron_toggle',
     array('cronId'),
     'Permission::checkAdminUser'
diff --git a/ajax/delete.php b/ajax/delete.php
index 241f951e87e99524070d34acaf81acafd526fd9d..af672eeae73063cdfbc7184da4e2f36898d427e5 100644
--- a/ajax/delete.php
+++ b/ajax/delete.php
@@ -8,12 +8,12 @@
 function package_quiqqer_cron_ajax_delete($ids)
 {
     $ids = json_decode($ids, true);
-    $Manager = new \QUI\Cron\Manager();
+    $Manager = new QUI\Cron\Manager();
 
     $Manager->deleteCronIds($ids);
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_delete',
     array('ids'),
     'Permission::checkAdminUser'
diff --git a/ajax/getAvailableCrons.php b/ajax/getAvailableCrons.php
index 88e1b77dad8490faef7673707533ff9534e9c8d4..db17d6b955d7284c9912fd8ef6f1da9384fba5e9 100644
--- a/ajax/getAvailableCrons.php
+++ b/ajax/getAvailableCrons.php
@@ -7,12 +7,12 @@
  */
 function package_quiqqer_cron_ajax_getAvailableCrons()
 {
-    $CronManager = new \QUI\Cron\Manager();
+    $CronManager = new QUI\Cron\Manager();
 
     return $CronManager->getAvailableCrons();
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_getAvailableCrons',
     false,
     'Permission::checkAdminUser'
diff --git a/ajax/history/get.php b/ajax/history/get.php
index 6d2df155df447482c6afd263f4be9b5d113ebe4a..32d56f46eabdf468807ab00cb2fbb2e55bbfb056 100644
--- a/ajax/history/get.php
+++ b/ajax/history/get.php
@@ -2,10 +2,13 @@
 
 /**
  * return the cron history
+ *
+ * @param {array} $params - filter params
+ * @return array
  */
 function package_quiqqer_cron_ajax_history_get($params)
 {
-    $CronManager = new \QUI\Cron\Manager();
+    $CronManager = new QUI\Cron\Manager();
     $params = json_decode($params, true);
 
     return array(
@@ -15,7 +18,7 @@ function package_quiqqer_cron_ajax_history_get($params)
     );
 }
 
-\QUI::$Ajax->register(
+QUI::$Ajax->register(
     'package_quiqqer_cron_ajax_history_get',
     array('params'),
     'Permission::checkAdminUser'