func FromCommandLine(cmdLine *cmd.CommandLine) (*API, error) {
	api, err := rsapi.FromCommandLine(cmdLine)
	if err != nil {
		return nil, err
	}
	api.Host = apiHostFromLogin(cmdLine.Host)
	api.Metadata = GenMetadata
	return &API{api}, nil
}
func FromCommandLine(cmdLine *cmd.CommandLine) (*API, error) {
	api, err := rsapi.FromCommandLine(cmdLine)
	if err != nil {
		return nil, err
	}
	api.Host = apiHostFromLogin(cmdLine.Host)
	api.Metadata = GenMetadata
	return &API{api}, nil
}
// FromCommandLine builds a client from the command line.