add get() to SimRegNameView.
add get() to SimRegNameView.

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