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

Chris Montgomery e84dcf883b add hideEmpty option. Fixes #8		9 éve
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advanced	e84dcf883b add hideEmpty option. Fixes #8	9 éve
override-default-help-message	d19a464cad update all examples	9 éve