TODO.txt

- implicitNotFound("Could not find instance of type class Monoid[${T}]") (?)
- review order of supertypes in type class inheritance
= INSTANCES =
- TailRec / ControlContext

= Sub-projects =
- scalaz.parser
  - monadic and iteratee-based parsers
- scalaz.json
  - json parser, zipper, etc. based on scalaz.parser
- scalaz.sql
  - iteratee/monad-based JDBC