be work on updating to new schema
finish parsing of CodeGeneratorRequest
whew. did much of the schema_capnp reorg. this at least compiles
Ordinal
schema_capnp.rs mostly done
outputFileName is different from rootName
getOrdinal
Type::Which
getters
setters
can at least compile the output
addressbook example is operational once again
don't make Which its own module
update the example capnp files