redesign:

- restore context as polymorphic object
- same context for serializer and deserializer
- drop automatic poly serialize (for now?)

add root nodes to avoid 'root()' calls

deserializer: allow null and discard
rename nextkeyval to just keyval
latest deps
fix warnings
add benchmarks

latest deps

optionally add mscharconv

- Latest DynaMix

- Fix warnings

A reimplementation essentially

- using dynamix2
- no more context
- full poly serialize

* Support throwing of exceptions from nodes

* Redesign context. Use pointer and basic class. Context changes
* Latest mscharconv

Fixed compilation with clang

ALIAS cmake target huse::huse

- Latest dependencies

- ALIAS CMake target huse::huse
- Compact copyright notice in sources

- serialization contexts

- improved deserializer iteration
- fixed vtable exports
- minor style improvements