added a Call surveyor for calling functions!
added a Call surveyor for calling functions!

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