added nbest argument to ngraphs
added nbest argument to ngraphs

olivernina/ocropy,dnacreative/ocropy,aws623/ocropy,zuphilip/ocropy,danvk/ocropy,olivernina/ocropy,loveheaven/ocropy,olivernina/ocropy,stweil/ocropy,lunactic/ocropy,loveheaven/ocropy,liuqingjie/Ocropy,amitdo/ocropy,kba/ocropy,mapbased/ocropy,kba/ocropy,aws623/ocropy,kba/ocropy,dnacreative/ocropy,catethos/ocropy,braddockcg/ocropy,stweil/ocropy,liuqingjie/Ocropy,stweil/ocropy,dnacreative/ocropy,amitdo/ocropy,zuphilip/ocropy,danvk/ocropy,amitdo/ocropy,catethos/ocropy,aws623/ocropy,danvk/ocropy,braddockcg/ocropy,loveheaven/ocropy,lunactic/ocropy,tmbdev/ocropy,mapbased/ocropy,catethos/ocropy,tmbdev/ocropy,liuqingjie/Ocropy,lunactic/ocropy,braddockcg/ocropy,mapbased/ocropy,tmbdev/ocropy,zuphilip/ocropy