function fetchDinner(url){
   return new Promise(function(resolve, reject) {
       request({
           method: 'POST',
           uri: url,
           jar: true,
           form: {
               username: 'zeke',
               password: 'coys'
           },
           followAllRedirects: true
       }, function(error, response, html){
           if(error) {
               return reject(error);
           }
           if(response.statusCode !== 200){
               return reject(new Error('Bad status code from server'));
           }
           resolve(html);
       });
   });
}