Merge branch 'features/vanilla-sedlex' into dev

Adapt interface to vanilla sedlex

Removed toroidal-code/sedlex

Upgrade from jbuilder to dune (not including Makefile)

Further cleanup, update README.md

Monadic lexer & parser; general simplification and reorg

Cleaning up the parser a bit; general reorg

Remove typing

Merge branch 'features/jbuild' into dev

Initial conversion to jbuilder

Minor auto-cleanup

Working bare-LLVM codegen

Merge branch 'features/cmdliner' into dev

Initial switch to cmdliner

Move test files