By Matt Hladik When you rely on human beings to determine team rankings, sometimes mistakes are made. Nevertheless, it was still refreshing to see college football writer Thomas Murphy of the Arkansas Democrat Gazette admit to his own polling error in this week’s AP top 25. Murphy revealed this afternoon that he accidentally included both North Carolina and NC State in his personal ballot and left out one another team. “CFB fans, I ask your forgiveness. I compiled my AP poll super early Sunday a.m. and erred,” he tweeted. “I put UNC at 17, instead of NC State. Put the Wolfpack at 18 and inadve…