Implement various error message improvements

- [x] https://github.com/graphql/graphql-js/commit/2ada5c69ecf3901e6ce1a5fe73e04a6fbfa2c0f8
- [x] https://github.com/graphql/graphql-js/commit/98364f61e716f5ff82ccd9432c264368d1052455
- [x] https://github.com/graphql/graphql-js/commit/e1c59a488ece3f0221a046e1b7e1cd108dc314c0
- [x] https://github.com/graphql/graphql-js/commit/ab13f32c1c42d72982ee78bb0d51111cca664044
