To make a DELETE request to Falkonry API server
        :param url: string

def delete(self, url):
        """
        To make a DELETE request to Falkonry API server
        :param url: string
        """
        response = requests.delete(
            self.host + url,
            headers={
              'Authorization': 'Bearer ' + self.token,
              'x-falkonry-source':self.sourceHeader
            },
            verify=False
        )
        if response.status_code == 204:
            return None
        elif response.status_code == 401:
            raise Exception(json.dumps({'message':'Unauthorized Access'}))
        else:
            raise Exception(response.content)