SAN FRANCISCO (AP) - The unproven kid thoroughly beat the former Super Bowl champion and reigning MVP. With a strong arm that allowed him to pick the Packers apart from the pocket and speedy legs that helped him break free for big gains, Colin Kaepernick did a little bit of everything in a record-setting, sensational playoff debut - and Aaron Rodgers just couldn't keep up.Kaepernick passed for 263 yards and ran the San Francisco 49ers right back to the NFC championship game with a 45-31 win over Green Bay in an NFC divisional game Saturday night.Kaepernick rushed for a quarterback …