code: function(digit) {
  			if(typeof digit === "undefined") {
  				digit = this.digit;
  			}
  			else {
  				this.digit = digit;
  			}
  
  			var target = this.$obj.find('[data-digit="'+digit+'"]');
  			var active = this.$obj.find('.'+this.classes.active).removeClass(this.classes.active);
  			var before = this.$obj.find('.'+this.classes.before).removeClass(this.classes.before);
  			
  			if(!this.factory.countdown) {
  				if(target.is(':first-child')) {
  					this.$obj.find(':last-child').addClass(this.classes.before);
  				}
  				else {
  					target.prev().addClass(this.classes.before);
  				}
  			}
  			else {
  				if(target.is(':last-child')) {
  					this.$obj.find(':first-child').addClass(this.classes.before);
  				}
  				else {
  					target.next().addClass(this.classes.before);
  				}
  			}
  			
  			target.addClass(this.classes.active);			
  		}
docs: Select the digit in the list
  
  @param  int  A digit 0-9