docs: function stripRestangular(elem) {
                  if (_.isArray(elem)) {
                      var array = [];
                      _.each(elem, function(value) {
                          array.push(stripRestangular(value));
                      });
                      return array;
                  } else {
                      return _.omit(elem, _.values(_.omit(config.restangularFields, 'id')));
                  }
  
  
                }