Handle exception if no AAAA record is available for a hostname.
Don't update systems without IPv6 over and over again...
Properly enable debug logging.
Figure out on which distribution we are running.
Disable IPv6 support when running on IPFire 2.
Allow reading the local IP address from IPFire 2 systems.
Include HTTP status code in debugging output.
dyndns: Show unhandled server responses in exception.
selfhost: Use dyndns protocol, too.
Log an entire stack trace for unhandled exceptions.
Show much prettier and more useful error messages.
Handle HTTP errors as early as possible.
Update translations.