nl_tokens: Bucks chain constructor .
pl_tokens: function Bucks ( params ) { this . _tasks = [ ] ; this . _taskcount = 0 ; this . _results = [ ] ; this . callback = none ; this . failure = none ; this . _alive = <mask> ; this . _interrupt = false ; this . __id = uid ( ) ; Bucks . living [ this . __id ] = this ; this . initialize ( params ) ; }