Daz Dillinger, Photo: Scott Dudelson, Getty Images *West Coast rapper and producer Daz Dillinger went to court seeking money he says he is owed for his work with Tupac Shakur, but the dispute has taken a sharp turn: Amaru Entertainment now alleges Daz kept a Tupac master recording, at least 40 original studio reels, handwritten lyrics, and other property belonging to the estate. The allegations dramatically expand a fight that began with Daz dem…