Cable TV has made stand-up comedy into something of a glamorous profession in recent years. But for those struggling comics without development deals and HBO specials, stand-up is a tough way to make a living, with many New York clubs paying only $20 to $75 a set. So earlier this winter, the Big Apple’s comedians banded together to demand better pay from club owners, and to threaten retaliation if their demands weren’t met. And the funny thing is, they actually won.