wp-cli/wp-cli — pull request #555 by danielbachhuber (2013-06-25 21:15:10+00:00)
Title: `wp user` subcommands should accept `user_login` or `user_id`

See https://github.com/wp-cli/wp-cli/pull/554#issuecomment-19991336

Let's make sure all of the subcommands accept `user_login` or `user_id`