Create index.php

Main file for showing interface and doing all the magic.
Create Unirest.php

https://github.com/Mashape/unirest-php
Create HttpMethod.php

https://github.com/Mashape/unirest-php
Create HttpResponse.php

https://github.com/Mashape/unirest-php
Create Unirest.php

https://github.com/Mashape/unirest-php
Update README.md
Merge pull request #1 from VHWDev/master

Merge Master to Dev