fixed line numbering for cat (off by one), added a header for cat --ex
fixed line numbering for cat (off by one), added a header for cat --ex

josue804/debunker,sideci-sample/sideci-sample-pry,shockone/pry,85x14/pry,85x14/pry,ngpestelos/pry,raeno/pry,bronzdoc/pry,printercu/pry,raeno/pry,geoffreylitt/pry,icebreaker/pry,bronzdoc/pry,ooohiroyukiooo/pry,85x14/pry,ngpestelos/pry,deivid-rodriguez/pry,caporta/pry,jasonm23/pry,jasnow/pry,richo/pry,jasonm23/pry,scalixte-mdsol/pry,nju520/pry,icebreaker/pry,jasonm23/pry,jasnow/pry,sferik/pry,scalixte-mdsol/pry,scalixte-mdsol/pry,gfvcastro/pry,nju520/pry,raeno/pry,shockone/pry,sferik/pry,gfvcastro/pry,caporta/pry,nju520/pry,geoffreylitt/pry,caporta/pry,pvdb/pry,jasnow/pry,tdg5/pry,tdg5/pry,tdg5/pry,josue804/debunker,shockone/pry,ooohiroyukiooo/pry,printercu/pry,ooohiroyukiooo/pry,pvdb/pry