Fix entity move assignment

src/game/scripting/entity.cpp

@@ -53,6 +53,8 @@ namespace game
 		{
 			if (&other != this)
 			{
+				this->release();
+
 				this->context_ = other.context_;
 				this->entity_id_ = other.entity_id_;
 

src/game/scripting/scheduler.cpp

@@ -79,7 +79,7 @@ namespace game
 
 		void scheduler::remove(const task_handle& handle)
 		{
-			for (const auto task : this->tasks_)
+			for (const auto& task : this->tasks_)
 			{
 				if(task->id == handle.id)
 				{