0-bytes are sometimes ignored

[triska]

Example:

$ scryer-prolog -g 'write("1\x0\2"),halt' > x

Yielding:

$ cat x
[1,2]

For comparison:

$ scryer-prolog -g 'write("1\x1\2"),halt' > x
$ cat x
[1,\x1\,2]

Probably thanks to #24.