Using PUT without a content-length

[Julien Reichel]

> Looks good, thanks Julien!  I couldn't apply your patch 
> directly; it looks like you have some NEON_API macros added 
> in your local copy of the neon headers?  (Win32 export/import 
> stuff?  Have been wondering whether someone was going to do 
> that at some point! :)

Oups forgot we did that :-) that was long times ago. 
I can try to create a patch for it if you think it is interesting. Let
me know. 

Julien