title: req.getConnection is not a function in express-myconnection
body: <p>i am trying to connect mysql, but it is showing me <code>req.getConnection is not a function</code>
  Bellow is the code snipet which i have used.
  <strong>In app.js</strong></p>
  
  <pre><code>var mysql = require('mysql'), 
  connection = require('express-myconnection'), 
  dbOptions = { 
    host: 'localhost',
    user: 'root', password: '',
    port: 3306,
    database: 'nodejs'
   }; 
  app.use(connection(mysql, dbOptions, 'request'));
  </code></pre>
  
  <p><strong>In Customers.js</strong></p>
  
  <pre><code>exports.list = function(req, res, next) { 
    req.getConnection(function(err, connection) { 
      if (err) return next(err); 
    connection.query('SELECT * FROM customer', function(err, rows) {
   if (err) console.log("Error Selecting : %s ", err); 
     res.render('customers', { 
       page_title: "Customers - Node.js", data: rows 
     }); 
    }); 
    });
   };
  </code></pre>
  
  <p>Can you please check what is have done wrong. I am pretty new in nodejs, so may be i am missing something.</p>
  
  <p>If you want to check my complete package, please follow bellow URL, i have push all code in my git repository
  <a href="https://github.com/chiraggmodi/nodeCrud" rel="nofollow noreferrer">https://github.com/chiraggmodi/nodeCrud</a></p>