docs: function lang(key, source) {
      //first we retrive the lang value of the root of the DOM
      var LANG = document.documentElement.lang;
      //console.log(source)
      //console.log(LANG+' '+key+' - '+source[LANG][key]);
      if (_.isObject(source) && _.isObject(source[LANG]) && _.isString(source[LANG][key])) {
          return source[LANG][key]
      } else {
          return key
      }
  
  }