[PATCH 4/4] Fix server only return the final parser result

[Denis Kenzior]

Hi Zhenhua,

> In case we meet compound commands in single line, AtServer should
> only return the parser result of last command according to spec.
> So we return the parser result in the parse iteration.

So I agree that we need to do this, but I disagree with the approach.  I 
suggest we let g_at_server_send_result take care of this.  This will make 
extended errors much easier to handle.

Regards,
-Denis