code: function install(cef_version) {
  
    downloadCef(cef_version,function(err){
  
      if(err) {
        util.log('Failed to add dependencies','error');
        throw err;
      }
  
      copyDllWrapper(function(err) {
        if (err) {
          util.log('Failed to copy dll_wrapper.gyp');
          throw err;
        }
  
        util.log('Done!');
      });
    });
  }
docs: Starts installing CEF libraries