Some changes.
WIP. Still struggling with navigating inside a Zipper.
Merge remote-tracking branch 'osandbu/ghc-api' into ghc-api
Using package rosezipper to manage the TokenUtils tree
Replaced the top of TokenUtils with a Tree Entry instead of Forest
Entry. All TokenUtils tests so far pass.
Finished plumbing TokenUtils into the RefactGhc monad. Next step is to
make putToks work again
Working to get rid of putToks
Small change to confirm reset of branch
Merge branch 'tokenutils' into ghc-api
More getting TokenUtils to work. Progress on insertSrcSpan for
non-leaf SrcSpan inserts
Snapshot. Making progress, and adding missing files to HaRe.cabal
Tracking down mismatches on putToksForPos where the tokens do not
match the pos.