LANCE Bass needs to learn some basic hygiene. When the former boy-bander tried to use the bathroom at the Maritime Hotel’s Hiro Lounge the other night, and found it full of folks smoking funny-smelling cigarettes, he threw a fit, relieved himself, and left without washing his hands. “He was banging on the door like a diva, yelling, ‘What the [bleep] are you guys doing in there?’ ” said partygoer Malik Sterling, who saw the squabble. “Finally he just yelled, ‘I ...