console.log

[ 'saved',
  595869639309040,
  '{"time":1381831832149,"user":"_admin_admin","text":"new message","id":595869639309040}' ]
[ 'loaded',
  595869639309040,
  { time: 1381831832149,
    user: '_admin_admin',
    text: 'new message',
    id: 595869639309040 } ]

gistfile1.js

// saves data to db
Chat.prototype.save = function Chat_save(channel, key, value, callback)
{
  var _chat = this;

  this._db.put(token[channel]+':'+key, value, function(err)
  {
    if (err) return callback(err);

console.log(['saved', key, JSON.stringify(value)]);

    _chat._db.get(token[channel]+':'+key, function(err, value)
    {
console.log(['loaded', key, value]);
    });

    // update local
    _chat[channel][key] = value;

    return callback(null);
  });
}