[Sparkle] Sparkle causes crash on launch with custom URL, RubyCocoa

[Julian Mayer]

> Okay, I think this is happening because some value's being saved or  
> interpreted as an NSString instead of an NSNumber, and I'm calling  
> longValue expecting the latter. I've changed those calls to  
> doubleValue, which is implemented by both classes. Update to bzr  
> revision 124 and give it another shot.
>
> - Andy Matuschak

there are similar problems, or at least were at few months ago.

see my comment to:
http://sparkle.andymatuschak.org/ticket/155

bye, julian