Results 2 issues of dbh

See [issue 2095](https://github.com/exercism/problem-specifications/issues/2095) in the problem-specifications repo since this issue not only affects go, but also the problem spec used by other languages. The Roman numeral problem description now states:...

Adjust Instructions and Unit Tests to support maximum Roman numeral 3999 Issue https://github.com/exercism/go/issues/2475 Adjustment to problem specification, instructions, and unit tests to support the max val 3,999 which can be...