Binary :: toBase16 - Create base 16 (hexadecimal) string from binary data block
The function converts the binary data block into a string with hexadecimal ASCII characters (0-9 and A-F).
Return value: Hexadecimal (base 16) string ( odaba::String & )
The string contains hexadecimal characters, i.e. 0-9 and A-F (or a-f).