Pretty much how I saw that half as well fwiw.
I'll have to see the penalty again but it did look very harsh on first viewing. I also think that will justifiably be used as a reservation when talking about this game, as there's no doubt at all that has completely swung the game in your favour - don't forget Wigan started very well.
Still, all you can do is take advantage of it and you have, and you've played well. I think the 2nd half will be a big symbol of Pardew's intentions. Does he look for 3, 4 and 5 - which you should be more than capable of doing - or does he want you to be "solid at the back" and just make sure Wigan don't get into it. Wigan will probably have a good go at it so it's not like there won't be spaces opening up.