Correct type of functions renderWithMode and renderWithDefMode to make them useful
Rexport Language.Haskell.Exts.Pretty.PPHsMode instead Text.PrettyPrint.HughesPJ.Mode
Add function renderWithTrace for test purpose
Create folder for tests. Move debug functions from PrettyAst.hs to Test/Runner.hs
Add several function for tests
Just rename some functions
Just rename some functions
Add test case based on file WithKeyword.hs from tests examples haskell-src-exts package