makenotabuggreatagain/gulp-help: Check for duplicates in the stream and filter them or throw an error(evacuated from NSA/Microsoft Github) @ c5fdd06e9ea7aaea095f8b20a8396466381b61c5

anonymous c5fdd06e9e packaging to the correct directory		%!s(int64=6) %!d(string=hai) anos
..
changelog	f332a30274 preliminary debian packaging work	%!s(int64=6) %!d(string=hai) anos
compat	f332a30274 preliminary debian packaging work	%!s(int64=6) %!d(string=hai) anos
control	15db8f5212 gulp	%!s(int64=6) %!d(string=hai) anos
copyright	f332a30274 preliminary debian packaging work	%!s(int64=6) %!d(string=hai) anos
rules	c5fdd06e9e packaging to the correct directory	%!s(int64=6) %!d(string=hai) anos