nl_tokens: Find all classes
pl_tokens: function ( cb ) { async . each ( t . __libraries , function ( library , cb ) { library . scanForClasses ( err => { log . <mask> ( "Finished scanning for " + library . getNamespace ( ) ) ; cb ( err ) ; } ) ; } , err => { log . debug ( "Finished scanning for all libraries" ) ; cb ( err ) ; } ) ; }