func NewLob(rd io.Reader, wr io.Writer) *Lob {
	return &Lob{rd: rd, wr: wr}
}
func NewLob(rd io.Reader, wr io.Writer) *Lob {
	return &Lob{rd: rd, wr: wr}
}
// NewLob creates a new Lob instance with the io.Reader and io.Writer given as parameters.