- Resolve an issue with mutes being added to the cache in spite of them being already added (#223). - Make Corrade have the default log-level "Info" (update Log4Net.config.default to add hints on how to set the log level properly). - Allow temporarily changing the log level via the Nucleus -> Logs menu option. - Fix some problems on early startup potentially leading to a crash. - Dispose of packet inbox and outbox properly on termination and when the channels could not be updated.