improve bindiff
improve bindiff

tyb0807/angr,f-prettyland/angr,chubbymaggie/angr,axt/angr,tyb0807/angr,tyb0807/angr,schieb/angr,iamahuman/angr,f-prettyland/angr,haylesr/angr,angr/angr,schieb/angr,haylesr/angr,angr/angr,schieb/angr,iamahuman/angr,f-prettyland/angr,axt/angr,angr/angr,chubbymaggie/angr,chubbymaggie/angr,axt/angr,iamahuman/angr