Support encoded messages in rejects #158
Description
This is to build out support for fields 354 and 355.
https://fiximate.fixtrading.org/legacy/en/FIX.4.4/body_5251.html
This would first require us to support the MessageEncoding (347) tag.
https://fiximate.fixtrading.org/legacy/en/FIX.4.4/tag347.html