Leap year instant-answers

**What does your instant answer do?**
Detect if a given year is a leap year.

**What problem does your instant answer solve (Why is it better than organic links)?**
It solves this through a Perl module

**What is the data source for your instant answer? (Provide a link if possible)**
The [leap year cpan module](http://search.cpan.org/~rbow/Date-Leapyear-1.72/lib/Date/Leapyear.pm).

**Why did you choose this data source?**
It's lightweight and simple.

**What are some example queries that trigger this instant answer?**
"when is the next leap year"
"next leap year"
"last leap year"
"is 2016 a leap year"

**Is this instant answer connected to an [Ideas.DuckDuckHack](https://duckduckhack.uservoice.com/forums/5168-ideas-for-duckduckgo-instant-answer-plugins) or [Duck.co](http://duck.co/) thread?**
Not that I am aware of.
![screenshot](https://f.cloud.github.com/assets/2399307/1454938/8935ddfc-4311-11e3-8b60-3d47334422ee.png)