First of all, gear selelction is not going to be directly related to clutch, it should shift without any clutch. That is going to be down to rider error, you may need to look at technique, and also where the gear lever is positioned. As for the small amounts of clutch creep that you are getting, that could be several things. You may need to dis-assemble and inspect all clutch components in your bike. May be better to do it now, before it possibly got worse and needed a whole heap more money thrown at it.