TODO for dnsupdate

- Have options to delete a server as well as add/update
- Create a force update option
- Integrate the relevant dnspython modules
- Add a GUI
  wxPython and/or curses?


Done:
- Check if address needs update before sending data 
- Validate data, check for cfg files existance
- Re-structure the code
- Add a config-file for hostname, domain and password. Option to select
  All options should be configurable, ttl and force as well. 
- Fix the global variabel mess!!
- Add command line parameter prefixes
  -c alternative config file 
  -d domain
  -f force * 
  -h help
  -i ipadress
  -k keyname
  -n hostname
  -p password
  -q quiet
  -t ttl
- Auto-detect the machine's external ip address'
  Should work on OS X, Linux and Windows. 
  Should work with multiple interfaces.
  http://www.showmyip.com/simple eller skriva en egen.