stathat.go
func (r *BasicReporter) PostCount(statKey, userKey string, count int) error {
	r.add(newClassicStatCount(statKey, userKey, count))
	return nil
}
func (r *BasicReporter) PostCount(statKey, userKey string, count int) error {
	r.add(newClassicStatCount(statKey, userKey, count))
	return nil
}
// Using the classic API, posts a count to a stat.