Thanks go to...

...Klaus Alexander Seistrup for pointing me to some docs regarding cycles,
   pointing out a flaw in the way Fahrenheit and Celsius temperatures
   are handled and for providing valuable feedback regarding packaging.
...Jerome Alet who adapted the ob-parsing code of Spiros Papadimitriou's
   gnome-weather-applet to Python and helped a lot with debugging and 
   developing this library.
...David Leblanc for confirming a parsing bug
...Davide Di Blasi for suggesting (and implementing) proxy capability
...Tim Middleton who provided code for getWindchill() and getCustom()
...Adrian Holovaty for pointing out trouble with types.TupleType and 
   contributing a solution
...Stefan Majer for pointing up an exception bug
...Uli Martens for providing a Debian package
...Laurent Rahuel for catching a bug in getVisibilityKilometers()
...Nicolas Évrard for finding a cloud cover bug
...Gregor Hermann for finding another sky condition bug