Handle the case when headers are already sent because of an error -- we want to report the error, not hide it behind "headers already sent". Also bump Node requirement to match versions not affected by #756 .
Relevant issues
756
Contributor checklist
[ ] Provide tests for the changes (unless documentation-only)
[ ] Documented any new features, CLI switches, etc. (if applicable)
[ ] Server --help output
[ ] README.md
[ ] doc/http-server.1 (use the same format as other entries)
[ ] The pull request is being made against the master branch
Handle the case when headers are already sent because of an error -- we want to report the error, not hide it behind "headers already sent". Also bump Node requirement to match versions not affected by #756 .
Relevant issues
756
Contributor checklist
--help
outputmaster
branchMaintainer checklist