The 88 people in attendance at the Chuckle Barn's Saturday 8:30 p.m. show were uniformly praised by comedian Tony Campanelli as 'great.' 'You guys have been great,' Campanelli told them at the conclusion of his 20-minute performance.'Thanks a lot and good night.' Audiences previously called great by Campanelli include the Friday 8:30 p.m. show and the Friday 11 p.m. 