code: function joinLast(obj, glue, stick){
  		if(_.size(obj) == 1)
  			return obj[0];
  			
  		var last = obj.pop();
  		
  		return obj.join(glue) + stick + last;
  	}
docs: Joins items from an array with a different glue before last item
  @method joinLast
  @param {Array} obj			Array to join
  @param {String} glue		Items delimiter
  @param {String} stick		Delimiter before last item
  @return {String}			Joined array