* begin work on vf support
* split reg kind into reg hw kind and class, use class for ireg
* try test
* clang format
* add some more ops and some example functions
* better lvf on statics
* add documentation
* start cleanup
* fix typos
* fix syntax highlighting in doc
* lots of documentation updates
* clean and add tests
* more documentation and more error messages
* more document and try building kernel differently