v8.6.8

Changelog

cd2802b shorter dns fail time
c5ff55a find dns from any number of providers
ef43873 Merge pull request #325 from nikoksr/fix/missing-code-too-short-error
0b60fef refactor: write errors into stderr and add exit code
3ccd4d0 fix: accidentally overwritten error value
17f3df7 Added an option to ignore attached stdin, for compatibility with node child_process