Lots...

Add raw_data property to BaseObjectAbstract
Add instruction for getting OEmbed
Fix the return value of Instagram\Net\ApiResponse::getData()
Add Instagram::getOEmbed() to fetch media data using post URL
Add CollectionAbstract::raw_data property.
Add __FILE__ when exception has been thrown in the CurlClient::fetch()
Add __FILE__ and URL when exception has been thrown in the
Proxy::apiCall()