code: function (options, limiter) {
    EventEmitter.call(this);
  
    this.limiter = limiter;
  
    this.active = false;
  
    this.options = _.extend({
      user: '',
      password: '',
      url: '',
      query: ''
    }, options || {});
  }
docs: Connects to Gnip search api and tracks keywords.
  
  @param options Object with the following properties:
  - (String) user
  - (String) password
  - (String) url
  
  Events:
  - object: function(Object object) {...}
  - tweet: function(Object tweet) {...}
  - error: function(Error error) {...}
  - ready: function() {...}
  - end: function() {...}