* update typeconverter to use state structure
* deinterface the typeutils.TypeConverter -> typeutils.Converter
* finish copying over old type converter code comments
* fix cherry-pick merge issues, fix tests pointing to old typeutils interface type still
* love like winter! wohoah, wohoah
* domain allow side effects
* tests! logging! unallow!
* document federation modes
* linty linterson
* test
* further adventures in documentation
* finish up domain block documentation (i think)
* change wording a wee little bit
* docs, example
* consolidate shared domainPermission code
* call mode once
* fetch federation mode within domain blocked func
* read domain perm import in streaming manner
* don't use pointer to slice for domain perms
* don't bother copying blocks + allows before deleting
* admonish!
* change wording just a scooch
* update docs
