Vegetarian Bean Curry

Name: Vegetarian Bean Curry
Ingredients: 2 tablespoons olive oil; 1 large white onion, chopped; 0.5 cup dry lentils; 2 cloves garlic, minced; 3 tablespoons curry powder; 1 teaspoon ground cumin; 1 pinch cayenne pepper; 1 (28 ounce) can crushed tomatoes; 1 (15 ounce) can garbanzo beans, drained and rinsed; 1 (8 ounce) can kidney beans, drained and rinsed; 0.5 cup raisins; salt and pepper to taste