configuration.go
func (c *Configuration) Clone() (copy Configuration) {
	copy.Servers = append(copy.Servers, c.Servers...)
	return
}
func (c *Configuration) Clone() (copy Configuration) {
	copy.Servers = append(copy.Servers, c.Servers...)
	return
}
func ( c * Configuration ) Clone ( ) ( copy Configuration ) { copy . Servers = append ( copy . Servers , c . Servers ... ) return }
// Clone makes a deep copy of a Configuration.
Clone makes a deep copy of a Configuration .