added @klaussilveira to the main credits
added @klaussilveira to the main credits

Militree/pyNES,bradparks/pyNES__python_8bit_nes_games_nintendo,imanmafi/pyNES,arabenjamin/pyNES,ftick/pyNES,danielserva/pyNES,fufufanatic/pyNES,tekromancr/pyNES,NickDeckerDevs/pyNES,BmanisKing/Mine,jay-johnson/pyNES,Gybes/pyNES,jmgaya/pyNES,DaTrollMon/pyNES,kubov/pyNES,JohnKossa/pyNES,bigpete/pyNES,kod3r/pyNES,AsSheng/pyNES,shekkbuilder/pyNES,sperez4mba/pyNES,shaunstanislaus/pyNES,MSylvia/pyNES,GrimDerp/pyNES,gutomaia/pyNES,silky/pyNES,stellatigre/pyNES,edwardpark/pyNES