It did consider two arrays equal if one is a subset of te other one,
which is incorrect.

See #180

It did consider two arrays equal if one is a prefix of the other one,
which is incorrect.

See #180

This first prints the number into a temporary buffer and then copies the
number to the output.

A positive side effect is that cJSON no longer reserves more space for
the number in the output than is necessary.

Because sizeof('\0') is actually sizeof(int) not sizeof(char).