Completed login service with session tracking.
Added signout button and php script to sign out and redirect to main page.
Fixed foreach loop to iterate over the proper object
Fixed fonts on landing page, and added an error for pre-existing accounts on signup.php
Added pantry button to link to foods.
Added authentication error to login page, and debugging echo messages.
Converted the pantry into a form to add edit buttons.
Removed the form, that was a terrible idea.
Changed buttons to be real buttons. Changed colors to be pretty.