added basic skeleton for accordion menu in view_foods.php
view_foods.php now displays food names, costs, and calories
"Fixed error that occurs when saving a new recipe. Also fixed a link on the recipe saving confirmation page"
Added 'preparation' field to Ingredient.php class
added todo list items in new_recipe.php
made lib folder and added some organization
temporarily removed preparation from the constructor for Ingredient class
Added recipe_id to ingredient.php
Made ingredient and recipe objects more robust. Added methods in recipe class to update ingredients if the recipe info is changed
Moved error codes to config.php
Made new_recipe.php save the ingredients in the t_ingredients db table
In the process of making a generic function for outputting accordion menus in view_recipes.php and view_foods.php.  Saving progress from work