Update CHANGELOG for version 2.8.2
Update CHANGELOG for version 2.8.2

0xced/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,mingsai/XCDYouTubeVideoPlayerViewController,mingsai/XCDYouTubeVideoPlayerViewController,creationst/XCDYouTubeKit,creationst/XCDYouTubeKit,creationst/XCDYouTubeKit,0xced/XCDYouTubeKit,0xced/XCDYouTubeKit,creationst/XCDYouTubeKit,mingsai/XCDYouTubeVideoPlayerViewController,0xced/XCDYouTubeKit