IndianRailPnrStatus Spice Instant Answer

What does your Instant Answer do?
It provides the PNR status for Indian Railways

What problem does your Instant Answer solve (Why is it better than organic links)?
There aren't any sites currently which provide instant result. Getting PNR status by just searching on a search engine would really be helpful. 

What is the data source for your Instant Answer? (Provide a link if possible)
The official API provided by Indian Railways.
http://api.erail.in/

Why did you choose this data source?
Because it is official and it is the central source for all other PNR enquiry sites.

Are there any other alternative (better) data sources?
No. There are a few but there are some issues with them. Some of them are paid and some of them provide limited usage.

What are some example queries that trigger this Instant Answer?
pnr 4101917424
pnr 0123456789

Which communities will this Instant Answer be especially useful for? (gamers, book lovers, etc)
Travellers, Passengers, Indian citizens, Tourists, General Public

Is this Instant Answer connected to a DuckDuckHack Instant Answer idea?
Yes.
https://duck.co/ideas/idea/4594/pnr-status-for-indian-railways

Which existing Instant Answers will this one supercede/overlap with?
None.

Are you having any problems? Do you need our help with anything?
Yes. I am having trouble with the test. One of the tests is failing. I couldn't figure out why. 

What does the Instant Answer look like? (Provide a screenshot for new or updated Instant Answers)
![pnr_status_success](https://cloud.githubusercontent.com/assets/6749387/5324648/4f140f68-7d03-11e4-9090-efda30eaa59a.png)
![pnr_status_fail](https://cloud.githubusercontent.com/assets/6749387/5324665/886984a0-7d03-11e4-84ba-f46fd9d4fba3.png)


Checklist:

Please place an 'X' where appropriate.

[X] Added metadata and attribution information
[X] Wrote test file and added to t/ directory
[] Verified that instant answer adheres to design guidelines (https://duck.co/duckduckhack/design_styleguide)
[] Verified that instant answer adheres to code styleguide (https://duck.co/duckduckhack/code_styleguide)
[] Tested cross-browser compatibility

    Please let us know which browsers/devices you've tested on:
    - Linux
        [] Google Chrome
        [X] Firefox
        [] Opera
        [] IE 10