VARIABLE NAMES AND THEIR MEANINGS
%%another_quiz_url%%	The URL to take another quiz
%%author_name%%	The name of the person who made the quiz
%%author_email%%	The email address of the person who made the quiz
%%categories%%
%%copyright%%
%%comments%%
%%correct_choice%%
%%correct questions%%
%%email%%
%%level%%
%%location%%
%%name%%
%%question_number%%
%%question%%
%%questions%%
%%quizname%%
%%quiz_description%%
%%score%%
%%this_quiz_url%%
%%time%%
%%total_questions%%
%%your_choice%%
TEMPLATE NAMES AND THEIR FUNCTIONS
result.html	used to display the grading and scores after the users finished taking the quiz
quizes.html	Used to display the quiz name, description, author's name, author's email, level....etc for every quiz
categories.html	used to display the category information such as category name, category description, quizes in this category, etc
questions.html	Used to display the every questions in a quiz.
cheater.html	used to display when a user cheat on a quiz
answers.html	Used to display the questions, quiz taker's choices, and answer keys