Fetch the current departure times from this station
        http://webservices.ns.nl/ns-api-avt?station=${Naam of afkorting Station}
        @param station: station to lookup

def get_departures(self, station):
        """
        Fetch the current departure times from this station
        http://webservices.ns.nl/ns-api-avt?station=${Naam of afkorting Station}
        @param station: station to lookup
        """
        url = 'http://webservices.ns.nl/ns-api-avt?station=' + station

        raw_departures = self._request('GET', url)
        return self.parse_departures(raw_departures)