'Jelly an iterable object.
@param atom: the identifier atom of the object.
@type atom: C{str}
@param obj: any iterable object.
@type obj: C{iterable}
@return: a generator of jellied data.
@rtype: C{generator}'

def _jellyIterable(self, atom, obj):

    (yield atom)
    for item in obj:
        (yield self.jelly(item))
