raise (a more helpful)  error when a synth is created with an odd number of parameters
raise (a more helpful)  error when a synth is created with an odd number of parameters

craftybones/overtone,ethancrawford/overtone,Widea/overtone,chunseoklee/overtone,rosejn/overtone,la3lma/overtone,pje/overtone,brunchboy/overtone,mcanthony/overtone