Re-download folder data
        Inbox Folder will be unable to download its own data (no folder_id)

        :param bool update_parent_if_changed: updates self.parent with new
         parent Folder if changed
        :return: Refreshed or Not
        :rtype: bool

def refresh_folder(self, update_parent_if_changed=False):
        """ Re-download folder data
        Inbox Folder will be unable to download its own data (no folder_id)

        :param bool update_parent_if_changed: updates self.parent with new
         parent Folder if changed
        :return: Refreshed or Not
        :rtype: bool
        """
        folder_id = getattr(self, 'folder_id', None)
        if self.root or folder_id is None:
            return False

        folder = self.get_folder(folder_id=folder_id)
        if folder is None:
            return False

        self.name = folder.name
        if folder.parent_id and self.parent_id:
            if folder.parent_id != self.parent_id:
                self.parent_id = folder.parent_id
                self.parent = (self.get_parent_folder()
                               if update_parent_if_changed else None)
        self.child_folders_count = folder.child_folders_count
        self.unread_items_count = folder.unread_items_count
        self.total_items_count = folder.total_items_count
        self.updated_at = folder.updated_at

        return True