def swu_server=(newval)
      new = JSS::SoftwareUpdateServer.all.select { |b| (b[:id] == newval) || (b[:name] == newval) }[0]
      raise JSS::MissingDataError, "No swu_server matching '#{newval}' in the JSS" unless new
      @swu_server = new[:name]
      @need_to_update = true
    end
def swu_server=(newval)
      new = JSS::SoftwareUpdateServer.all.select { |b| (b[:id] == newval) || (b[:name] == newval) }[0]
      raise JSS::MissingDataError, "No swu_server matching '#{newval}' in the JSS" unless new
      @swu_server = new[:name]
      @need_to_update = true
    end
set the sw update server

 @param newval[String, Integer] the new server by name or id, must be in the JSS

 @return [void]