old_contents: var data = require("../public/data.json");
  
  exports.addFillup = function(req, res) { 
  	console.log("hi");
  	console.log(req.query.date);
      var newFillup = {
      	"date" : req.query.date,
      	"name" : req.query.name,
      	"address" : req.query.address,
      	"price" : req.query.price,
      	"amount" : req.query.amount,
      	"note" : req.query.note,
          "miles" : req.query.miles
      };
      data["fillups"].push(newFillup);
      console.log(newFillup);
      res.render('addFillup', data);
  };
  
new_contents: var data = require("../public/data.json");
  
  exports.addFillup = function(req, res) { 
  	console.log("hi");
  	console.log(req.query.date);
      var newFillup = {
      	"date" : req.query.date,
      	"name" : req.query.name,
      	"address" : req.query.address,
      	"price" : req.query.price,
      	"amount" : req.query.amount,
      	"note" : req.query.note,
          "miles" : req.query.miles
      };
      data["fillups"].push(newFillup);
      console.log(newFillup);
      res.render('index', data);
  };
  
subject: test route change for weird server error