whole_func_string: function(modulePath) {
                var assetRoot = path.resolve(__dirname, '../../../..');
                return modulePath.startsWith(assetRoot) && 
                  !modulePath.startsWith(assetRoot + path.sep + 'node' + path.sep + 'node_modules');
              }
func_code_string: function(modulePath) {
                var assetRoot = path.resolve(__dirname, '../../../..');
                return modulePath.startsWith(assetRoot) && 
                  !modulePath.startsWith(assetRoot + path.sep + 'node' + path.sep + 'node_modules');
              }
func_documentation_string: allows custom css files in assets (but excluding node/node_modules)