code: function Browser ( opts ){
      opts = opts || {};
      // Members
      this.headers = _.defaults({}, headers, opts.headers );
      this.proxy   = opts.proxy;
      this.jar     = opts.jar || request.jar();
  }
docs: A simple class imitating a web-browser. It can be considered as a wrapper around famous 'request' module.
  Current implementation is very limited .
  Only get method is implemented. It can be done very easily.
  
  @param {Object} opts - Option object.
  @param {Object} opts.headers - [optional] additional headers used for all requests.
  default:
  ```js
  
  var headers = {
  'User-Argent' :'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/33.0.1750.152 Chrome/33.0.1750.152 Safari/537.36'
  };
  ```
  @param {String} opts.proxy - [optional] proxy parameter that will be passed to request module.
  default: null
  @param {tough.CookieJar} opts.jar - [optional] Cookie.jar instance used for for the Browser. default ```request.jar()```
  It should be an instance of 'tough-cookie' jar;
  @return {undefined}
  @class