mini.go
func (config *Config) Floats(key string) []float64 {
	return getFloats(config.values, key)
}
func (config *Config) Floats(key string) []float64 {
	return getFloats(config.values, key)
}
/*
Floats looks for an array of floats under the provided key.
If no matches are found nil is returned.
*/