Marking tests with data races as failed.
Adding a missing test data file.
Failing test when they surface data races is optional and can be
enabled using a command-line flag.
Added tag v0.3.0 for changeset f432984e7f1f
0.3.0
Added tag v0.3.0 for changeset 883ee6b39c26
fmt.Println -> fmt.Printf
Changes
Added tag v0.3.1 for changeset e3c4d00d5fef