code: function(hcExportRequest,asyncCallback){
  
      var makeThisExportDir = function(mkExportDirErr){
          var thisExportDir = [config.processingDir, crypto.createHash('md5').update(Date().toString()+hcExportRequest.svg).digest('hex'),''].join('/');
          fs.mkdir(thisExportDir, function(error){
              asyncCallback(mkExportDirErr, thisExportDir, hcExportRequest);
          });
      };
  
      if(fs.existsSync(config.processingDir)){
          makeThisExportDir(null);
      }
      else{
          fs.mkdir(config.processingDir, function(error){
              makeThisExportDir(error);
          });
      }
  }
docs: Makes the directory to process and store the requested chart
  @param  {object} hcExportRequest The Highcharts POSTed export request object
  @param  {function} asyncCallback A reference to the async callback
  @return {void}                   Nothing