func (c *Client) CreateOrUpdateJob(job *JobDetail) (*JobSummary, error) {
	return c.importJob(job, "update")
}
func (c *Client) CreateOrUpdateJob(job *JobDetail) (*JobSummary, error) {
	return c.importJob(job, "update")
}
// CreateOrUpdateJob takes a job detail structure which has its ID set and either updates
// an existing job with the same id or creates a new job with that id.