* Improve docs around PI Signed-off-by: Nick Cameron <nrc@ncameron.org> * Refactor and polish type error messages Signed-off-by: Nick Cameron <nrc@ncameron.org> * Add suggestion to fix unknown numbers error Signed-off-by: Nick Cameron <nrc@ncameron.org> * Don't warn so often about unknown units Signed-off-by: Nick Cameron <nrc@ncameron.org> --------- Signed-off-by: Nick Cameron <nrc@ncameron.org>