0.16

* Documented the json_file_to_perl routine.

* Changed some error messages and removed unused error messages.

* The byte numbers in error messages work, and the offending character
  is also printed. There is an escape for non-printing characters.

0.15

* The line numbers in error messages work (line 1 is the first line
  now).

* The incorrect information about compilation failing on Windows has
  been removed from the documentation.

* There are some more tests.

* There is a "Changes" file.