fix until & recurring

src/Task.php

@@ -261,7 +261,7 @@ class Task
     }
 
     /**
-     * @return string
+     * @return Recurring
      */
     public function getRecurring()
     {

src/TaskManager.php

@@ -196,6 +196,8 @@ class TaskManager
                 'tags'        => $task->getTags(),
                 'due'         => $task->getDue() ? $task->getDue()->format('Ymd\THis\Z') : null,
                 'wait'        => $task->getWait() ? $task->getWait()->format('Ymd\THis\Z') : null,
+                'until'       => $task->getUntil() ? $task->getUntil()->format('Ymd\THis\Z') : null,
+                'recur'       => $task->getRecurring() ? $task->getRecurring()->getValue() : null,
             ],
             $task->getUuid()
         );

src/Taskwarrior.php

@@ -205,6 +205,10 @@ class Taskwarrior
             $options[] = 'until:' . $params['until'];
         }
 
+        if (array_key_exists('recur', $params)) {
+            $options[] = 'recur:' . $params['recur'];
+        }
+
         if (array_key_exists('project', $params)) {
             $options[] = 'project:' . $params['project'];
         }