feat: add a `Debug/break` builtin that allows simple interactive debugging
test: write tests
bug: bug where extra trailing `)` causes a crash
feat: replace `kind` with `type`, effectively making list of types extendable
chore: replace R/create with R/new
feat: remove exceptions, make everything that can fail return a Maybe
chore: remove atoms
feat: add type table and a macro `(impl! [:+ :vec2 :vec2] vec2-add)`, replacing builtin typeclasses Num and Seq
feat: add handles to haskell System-IO module, name it core/io
feat: add handles to haskell Network-Simple-TCP module, name it core/tcp