Encryption mode 16 not implemented

[tudborg]

** (RuntimeError) Encryption mode 16 not implemented. configuration field bits were 0000011000010000
    (exmbus 0.4.0) lib/exmbus/parser/tpl/configuration_field.ex:153: Exmbus.Parser.Tpl.ConfigurationField.parse/1
    (exmbus 0.4.0) lib/exmbus/parser/tpl.ex:157: Exmbus.Parser.Tpl.parse_tpl_header_short/1
    (exmbus 0.4.0) lib/exmbus/parser/tpl.ex:97: Exmbus.Parser.Tpl._parse/1
    (exmbus 0.4.0) lib/exmbus/parser/context.ex:133: Exmbus.Parser.Context.handle/1
    (exmbus 0.4.0) lib/exmbus/parser.ex:16: Exmbus.Parser.handle/1

4944B4097247081505077A470806106C08EB83C7E40F1F2E162429060000000120130504190100000100000100000100000100000100000100000100000100000100000100000100000081A472737369D0BB

This should result in an error, not an exception.