fix vet

expose StatFile to all builds

go mod init github.com/djherbis/times

Add aix to readme

remove COVERALLS_TOKEN, not needed for public repo

Merge branch 'master' of github.com:djherbis/times

not all times on all platforms support ms precision, allowing +/- 1s …

…in tests

fixed release badge link

fixed undefined platformSpecificStat for non-windows builds

adding tests for HasChangeTime() and HasBirthTime()