add _check_perms to SimPagedMemory's pickled attributes
add _check_perms to SimPagedMemory's pickled attributes

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