Merge pull request #5417 from OceanOak/grammar-stuff

Misc parser fixes

Release 6 - https://blog.darklang.com/darklang-release-6/

Release 5 - https://blog.darklang.com/darklang-release-5/

Release 4 - https://blog.darklang.com/darklang-release-4/

Release 3 - https://blog.darklang.com/darklang-release-3/

Delete files not used in project

Bump curl

Annoying whitespace mismatch

This is a pain that we're using the raw repr on the client side for formatting.