private void clearCacheToolStripMenuItem_Click(object sender, EventArgs e)
        {
            DialogResult dr = MessageBox.Show(
                "This will remove your Toggl user data from this PC and log you out of the Toggl Desktop app. " +
                "Any unsynced data will be lost." +
                Environment.NewLine + "Do you want to continue?",
                "Clear Cache",
                MessageBoxButtons.OKCancel, MessageBoxIcon.Question);

            if (DialogResult.Yes == dr)
            {
                KopsikApi.kopsik_clear_cache(KopsikApi.ctx);
            }
        }