Nahki Wells grabbed his second goal of the season as Bristol City maintained their perfect record in the Sky Bet Championship with a hard-fought 2-1 win away to Nottingham Forest.The league leaders found themselves 2-0 ahead after just 22 minutes with Andreas Weimann opening the scoring in the twelfth minute with a well-placed finish, before Wells doubled the advantage just ten minutes later.Reminiscent of his first goal of the season in the 2-0 victory over Stoke City, the Bermuda striker