Use `prettyPrintParseException` in `decodeEither`.
Use `prettyPrintParseException` in `decodeEither`.

The rationale is that if you're getting back a raw `String`, you care
more about its readability rather than how faithfully it represent the
data structure.  If you want information about the data structure,
you're better off with `decodeEither'`.

xkollar/yaml