fix recurring tasks

src/Task.php

@@ -278,9 +278,8 @@ class Task
             $this->recur = new Recurring($recur);
         } elseif ($recur instanceof Recurring) {
             $this->recur = $recur;
-        } else {
-            throw new TaskwarriorException();
-
+        } elseif ($this->recur && is_null($recur)) {
+            throw new TaskwarriorException('You cannot remove the recurrence from a recurring task.');
         }
     }
 

src/Taskwarrior.php

@@ -40,19 +40,19 @@ class Taskwarrior
     }
 
     /**
-     * @param string $uuid
+     * @param string $filter
      */
-    public function delete($uuid)
+    public function delete($filter)
     {
-        $this->command('delete', $uuid);
+        $this->command('delete', $filter);
     }
 
     /**
-     * @param string $uuid
+     * @param string $filter
      */
-    public function done($uuid)
+    public function done($filter)
     {
-        $this->command('done', $uuid);
+        $this->command('done', $filter);
     }
 
     /**