Support for videos

[dkhamsing]

• https://about.twitter.com/videos-on-twitter
• https://blog.twitter.com/2015/now-on-twitter-group-direct-messages-and-mobile-video-capture
• https://twittercommunity.com/t/twitter-video-support-in-rest-and-streaming-api/31258
• https://blog.twitter.com/2015/rest-api-now-supports-native-video-upload

[brightsider]

When it's be realized?

[dkhamsing]

No timeline, pull request welcome