Comments contain code that confusingly won't work

[Peter van der Woude]

JSON.stringify(JSON.decycle(a));
Getting this code to work is the reason I downloaded the library
And I got the above from the comments in the code.
But this code does not wire up the prototype for JSON.decycle() to work, so it's a tad confusing

[Nuno Job]

@PandaWood can you reopen with a pull request for the fixes you are requesting please?