Creates a new contact to be saved into it's parent folder

        :return: newly created contact
        :rtype: Contact

def new_contact(self):
        """ Creates a new contact to be saved into it's parent folder

        :return: newly created contact
        :rtype: Contact
        """
        contact = self.contact_constructor(parent=self)
        if not self.root:
            contact.__folder_id = self.folder_id
        return contact