Add AssemblyDef.UpdateOrCreateAssemblySignatureKeyAttribute()
Add AssemblyDef.UpdateOrCreateAssemblySignatureKeyAttribute()

Arthur2e5/dnlib,0xd4d/dnlib,kiootic/dnlib,modulexcite/dnlib,ZixiangBoy/dnlib,yck1509/dnlib,jorik041/dnlib,picrap/dnlib,ilkerhalil/dnlib