text: var exports = module.exports = {};
   
  exports.register = function(req, res) {
      res.render('register');
  }
  exports.signin = function(req, res) {
      res.render('signin');
  }
  exports.home = function(req, res) {
      res.render('home');
  }
  exports.logout = function(req, res) {
      req.session.destroy(function(err) {
          res.redirect('/');
      });
  }