Enhancements
- Updated Chromium & CefSharp to version 55
- Running TweetDuck when it's already running will now properly detect if the old instance is frozen, and allow you to forcibly kill it
- The update check now runs at the beginning of each hour when enabled, instead of running every hour after the program starts
- Added a safeguard to the in-app updates, in case it breaks again
- Minor technical and visual improvements
Bugfixes
- Restoring TweetDuck from tray by running it again no longer restores windows of all running TweetDuck processes