Added support for showing how many paths have reached targets.
Added support for showing how many paths have reached targets.

lowks/angr,mingderwang/angr,xurantju/angr,tyb0807/angr,chubbymaggie/angr,iamahuman/angr,zhuyue1314/angr,haylesr/angr,xurantju/angr,angr/angr,axt/angr,mingderwang/angr,angr/angr,axt/angr,lowks/angr,f-prettyland/angr,chubbymaggie/angr,axt/angr,tyb0807/angr,angr/angr,GuardianRG/angr,fjferrer/angr,schieb/angr,tyb0807/angr,f-prettyland/angr,iamahuman/angr,terry2012/angr,GuardianRG/angr,schieb/angr,cureHsu/angr,iamahuman/angr,chubbymaggie/angr,terry2012/angr,fjferrer/angr,avain/angr,f-prettyland/angr,zhuyue1314/angr,avain/angr,haylesr/angr,cureHsu/angr,schieb/angr