- Fix GHC 8.2.x support by introducing some CPP
- Support GHC 8.0.2 onwards
- Add Text.Pandoc.Builder.Monadic.Utils
- Add Text.Pandoc.Builder.Monadic.Veneer, which contains extra builders
- Add Text.Pandoc.Builder.Monadic.Verbatim, which is a faithful monadic mirror of Text.Pandoc.Builder