nl_tokens: get the revision history for a system
pl_tokens: function ( identifier , cb ) { logger . <mask> ( 'list revisions: ' + identifier ) ; if ( ! identifier ) { return cb ( new Error ( 'no identifier' ) ) ; } var systemId = _sr . findSystem ( identifier ) ; if ( ! systemId ) { return cb ( new Error ( 'system not found' ) ) ; } _sr . listRevisions ( systemId , function ( err , revisions ) { cb ( err , _ . first ( revisions , 20 ) ) ; //cb(err, revisions); } ) ; }