Chipotle Shredded Pork Enchiladas

Name: Chipotle Shredded Pork Enchiladas
Ingredients: 1 pork tenderloin, shredded; 1 beer; 1 bay leaf; 1 can diced tomatoes; 1 can chipotle peppers in adobo sauce; 1 can tomato sauce; 2 roma tomatoes, roasted; 4 tomatillos, husked, rinsed, and roasted; 1/2 large white onion, chopped; 2 garlic cloves; 1 tbsp flour; 1/2 cup water; 1 tbsp olive oil; Salt (to taste); 1/2 cup canola oil, for frying; 12-18 corn tortillas, preferably white; 1 medium white onion, diced; 1 1/2 cup shredded cheese; 1/2 cup crema Mexicana or sour cream, for topping