Using a small, sharp paring knife and holding the tomatoes, one at a time, in one hand over the pot, cut into small chunks and drop into the vegetables. Add the wine. When it steams up, stir in the bay leaves. Lower heat to low, cover the pot and let the vegetables simmer for about 25 minutes, or until tender. Stir in the petimezi, if using. Add the basil, parsley, oregano, and thyme, cover and continue cooking over low heat another 10 minutes. Taste and adjust seasoning with additional salt and pepper. Serve hot, warm or at room temperature.