totallength: 5 of "5033,599" results in "5033.599999999999"

[AlexanderKekkonen]

I'd expect the result in the following code snippet to be "5033.6":
result = numbro.unformat(numbro(5033.599).format({ totalLength: 5}))
instead it comes out as "5033.599999999999"

For example, the result of the following code snippet is "5034.6" just as expected:
result = numbro.unformat(numbro(5034.599).format({ totalLength: 5}))
So it seems to be limited to .59 and .599 with some, but not all numbers...

Am I missing something vital here or is it a bug?