Bug Fixes

• Final info message in check service using error counter instead ratelimit counter (#823)

• No error was shown when check_service thread crashed (#824)

• Crash when sorting versions with and without date when looking for last retrieved version (#825)

• Crash when calling FTP url (#833)

• Latest version is not updated when version is removed from web interface (#830)

• GitHub response 403 doesn't have ratelimit reset time (#832)