internal MissingModuleException(MissingModule module)
     : base("Module from missing assembly '" + module.Assembly.FullName + "' does not support the requested operation.")
 {
     this.module = module;
 }
 internal MissingAssembly(Universe universe, string name)
     : base(universe)
 {
     module        = new MissingModule(this, -1);
     this.fullName = name;
 }