[Vobject] Patch to allow created of UTCDateTime fields

[Jeffrey Harris]

Hi Phil,

> Without the attached patch, I am unable to create any fields with
> behavior of "DateTimeBehavior" (and thus UTCDateTimeBehavior which is a
> sub-class) - I get:
> 
>>>> ne.add('CREATED')
> *** ParseError: "'' is not a valid DATE-TIME"

Oops!  Thanks for the patch.  I committed this change in revision 146,
http://websvn.osafoundation.org/listing.php?repname=vobject&path=%2F&rev=146&sc=1

Sincerely,
Jeffrey