v0.0.2

• add random value in question_id and hint_id, so it is possible not to specify it all the time
• add type radio and to autocheck_question() function
• add possibility to have multiple answers
• add argument "button_label" that controls the value that will be displayed on the button
• change alert() to just <p></p>, so user do not need to close alert window
• rename autocheck_question() to check_question()
• add the check_hint() function
• add markdown conversion inside of all messages