func setupClient(cmd *cobra.Command, args []string) {
setupLogger()
if Client == nil {
Client = plurk.New(AppKey, AppSecret, Token, TokenSecret)
}
}
// Setup plurk client to using plurk feature
func SetupPlurk(AppKey string, AppSecret string, Token string, TokenSecret string) {
client = plurk.New(AppKey, AppSecret, Token, TokenSecret)
}