(trivial) comment out nested generic type packets and add other test packets
add CsParseAs enum items related to Serializer name and Generic types
add Custom Serializer name constant
update generic GetLength constants
add routine for NodePacketMemberType::getParsed() to print itself as Generics or SerializerName
print MAP type packet member's GetLength code
(trivial) fix typo
print LIST type packet member's GetLength code