args.go
func (a *Args) PeekMultiBytes(key []byte) [][]byte {
	return a.PeekMulti(b2s(key))
}
func (a *Args) PeekMultiBytes(key []byte) [][]byte {
	return a.PeekMulti(b2s(key))
}
// PeekMultiBytes returns all the arg values for the given key.