[runeks]

Not a question, but with regards to:

> * We use all of the five different string types. It is annoying, but it is not a major problem.

cs[1] and the OverloadedStrings extension is all you need, in my experience.

[1] https://www.stackage.org/haddock/lts-8.3/string-conversions-...

[cauterize]

I like the prototude prelude replacement for its lack of partial functions and toS function to do string conversions