func FirstName() string {
	return firstName(randGender())
}
FirstName generates first name
package fake
func randGender() string {
	g := "male"
	if r.Intn(2) == 0 {
		g = "female"
	}
	return g
}
func firstName(gender string) string {
	return lookup(lang, gender+"_first_names", true)
}
func MaleFirstName() string {
	return firstName("male")
}
func FemaleFirstName() string {
	return firstName("female")
}