issue#193 fixed 

issue#193 fixed by replacing get_file_content for curl call with user-agent header(Requested by Github otherwise error thrown by API User-Agent Required).
Issue Detail:
When you fetch try to fetch URL content with file_get_content. Your not sending the User-Agent Header which is requested by Github API.
Following is the Response Error Message.
Error Response:"Request forbidden by administrative rules. Please make sure your request has a User-Agent header (http://developer.github.com/v3/#user-agent-required). Check https://developer.github.com for other possible causes.'"