How would you describe the perfect helper? My description would go something like this: He never calls in sick, always shows up on time, is never in a bad mood, and once you pay him a weeks' wages, he never asks for a paycheck again. Obviously, this type of worker doesn't exist. But there is a tool for cabinet installers that comes close. It's called a Gil-Lift (Gil-Lift, 1605 N. River Blvd., Independence, MO 64050; 816/833-0611), and it's a portable cabinet lift designed by former cabinet installer Gilbert Wyand. A simple, rugged tool, the Gil-Lift allows one installer to lift up to 300 pounds of overhead cabinets, maneuver them into position, and fasten them to the wall. The