old_contents: /*jslint node: true, stupid: true*/
  /*global  */
  
  var fs = require('fs');
  var Cookie = require('tough-cookie');
  var async = require('async');
  var request = require('request');
  var URL = require('url');
  var _ = require('lodash');
  
  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'
  };
  
  
  
  
  /**
   * 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} 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
   */
  function Browser ( opts ){
      opts = opts || {};
      // Members
      this.headers = _.defaults({}, headers, opts.headers );
      this.proxy   = opts.proxy;
      this.jar     = opts.jar || request.jar();
  }
  
  
  /**
   * make a HTTP/GET request.
   *
   * @param {String|Object} opts - If url a string is given, It is used as URL string. Else, It is passed to request.get with instance specific headers and jar settings.
   * @param {function} cb - callback function. passed directly to request.get.
   * @return {request}
   */
  Browser.prototype.get = function( opts, cb ){
      if( opts.constructor.name == 'Object'){
          opts = _.clone(opts);
          opts.headers = _.defaults( {}, this.headers, opts.headers );
      } else {
          opts = {
              url: opts,
              headers: this.headers
          };
      }
      opts.jar = this.jar;
      if(this.proxy){
        opts.proxy = this.proxy;
      }
      return request.get(opts, cb);
  };
  
  
  
  module.exports = Browser;
  
  
  
new_contents: /*jslint node: true, stupid: true*/
  /*global  */
  
  var fs = require('fs');
  var Cookie = require('tough-cookie');
  var async = require('async');
  var request = require('request');
  var URL = require('url');
  var _ = require('lodash');
  
  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'
  };
  
  
  
  
  /**
   * 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
   */
  function Browser ( opts ){
      opts = opts || {};
      // Members
      this.headers = _.defaults({}, headers, opts.headers );
      this.proxy   = opts.proxy;
      this.jar     = opts.jar || request.jar();
  }
  
  
  /**
   * make a HTTP/GET request.
   *
   * @param {String|Object} opts - If url a string is given, It is used as URL string. Else, It is passed to request.get with instance specific headers and jar settings.
   * @param {function} cb - callback function. passed directly to request.get.
   * @return {request}
   */
  Browser.prototype.get = function( opts, cb ){
      if( opts.constructor.name == 'Object'){
          opts = _.clone(opts);
          opts.headers = _.defaults( {}, this.headers, opts.headers );
      } else {
          opts = {
              url: opts,
              headers: this.headers
          };
      }
      opts.jar = this.jar;
      if(this.proxy){
        opts.proxy = this.proxy;
      }
      return request.get(opts, cb);
  };
  
  
  
  module.exports = Browser;
  
  
  
subject: Fix Docs