cURL call to Constant Contact

This was just a simple function to get contact info from constant contact. Similar functions could be used to do whatever you want with their api. https://constantcontact.mashery.com/io-docs

Please note, if you are running at PHP >= 5.3 DO NOT USE THIS FUNCTION! Just go download a Constant Contact sdk or something. They are awesome and much better than this. This one rocks: https://github.com/constantcontact/php-sdk