Creates a new time entry on Mite. Takes a data dictionary with the keys
        `date_at` (a date string in `YYYY-MM-DD` format), `minutes` (an int),
        `note` (the entry text), `user_id`, `project_id`, `service_id`, and
        `locked`. All of them are optional.

def create_entry(self, **kwargs):
        """
        Creates a new time entry on Mite. Takes a data dictionary with the keys
        `date_at` (a date string in `YYYY-MM-DD` format), `minutes` (an int),
        `note` (the entry text), `user_id`, `project_id`, `service_id`, and
        `locked`. All of them are optional.
        """
        data = self._wrap_dict("time_entry", kwargs)

        return self.post("/time_entries.json", data)