code: function connect(uri, cb) {
    pg.connect(uri, function(err, client, done) {
      // Backwards compatibility with pg
      if(typeof done === 'undefined') { done = noop; }
      if(err) {
        cb(err, null, done);
      } else {
        cb(null, client, done);
      }
    });
  }
docs: Connects to database at `uri`
  
  @param {String} uri
  @param {Function} cb