This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
clean up.
Add support for negotiating (more like "informing peer") about DNS. Various cleanup of warnings.
(more work needs to be done here, I'm trying to beat the supscan)
port of pppd.
