func EncodeInt8(w io.Writer, i int8) (err error) {
	return EncodeVarint(w, int64(i))
}
func EncodeInt8(w io.Writer, i int8) (err error) {
	return EncodeVarint(w, int64(i))
}
func EncodeInt8 ( w io . Writer , i int8 ) ( err error ) { return EncodeVarint ( w , int64 ( i ) ) }
//----------------------------------------
// Signed
---------------------------------------- Signed