Binary :: toBase64 - Convert binary data to a base 64 character string
The function converts the binary data block into a base 64 string (6-bit encoding).
Return value: Base 64 string ( odaba::String & )
The string contains binary data represented as 6-bit characters (base 64).
Implementation details
odaba::String
Binary  :: toBase64 (  )
The function converts the binary data block into a base 54 string ant returns the string.

