mini.go
func (config *Config) Integers(key string) []int64 {
	return getIntegers(config.values, key)
}
func (config *Config) Integers(key string) []int64 {
	return getIntegers(config.values, key)
}
/*
Integers looks for an array of ints under the provided key.
If no matches are found nil is returned.
*/