text: var cluster = require('cluster'),
      async = require('async'),
      _ = require('lodash');
  
  var BasicStorage = module.exports = function(app) {
      this.storage = {};
  }
  
  BasicStorage.prototype.get = function(key) {
      return this.storage[key];
  }
  
  BasicStorage.prototype.getRange = function(keylb, keyhb) {
      var ret = new Array(keyhb - keylb + 1);
      for (var i = keylb; i <= keyhb; i++) {
          ret[i - keylb] = this.storage[i];
      }
      return ret;
  }
  
  BasicStorage.prototype.put = function(key, value) {
      return this.storage[key] = value;
  }
  