wp-cli/wp-cli — pull request #1361 by danielbachhuber (2014-10-06 11:56:15+00:00)
Title: `wp user import-csv` should support CSV produced by `wp user list --format=csv`

The latter produces a `roles` column, while the former only supports `role`. Because core supports multiple roles, we should support CSV roles in a `roles` column too.