https://tweetinvi.codeplex.com/discussions/581857
q=filter:images will get only tweets with images
q=filter:videos will get only tweets with videos
http://stackoverflow.com/questions/13920851/get-tweets-with-pictures-using-twitter-search-api
q=filter:images will get only tweets with images
q=filter:videos will get only tweets with videos
http://stackoverflow.com/questions/13920851/get-tweets-with-pictures-using-twitter-search-api