Add: Method to get the current logged in user. #15
Change: Show/hide user options when logging in/out.
Fix: Typographical correction.
Fix: Don't show the quiz submit button if the user is not logged in.
Change: Send a log-in event when the page loads of the user is logged in.
Fix: Hide the submit button when a user logs out.
Fix: Don't display quiz options when a user is not logged in.
Add: Global function to get if the current user is an admin.
Fix: Minor typo, comma should be a semi-colon.
Change: Hide admin options and display if an admin logs in.
Fix: Trigger the log-in event after the loggerIn/isAdmin values are set.
Fix: Remove vote stars when a user logs out.
Fix: Actually remove the .quiz-vote elements when they're hidden.
Fix: When logging in, query votes and display them.
Fix: The vote function shouldn't always send a vote packet.
Fix: Prevent users from voting if they've voted for three quizzes.
Fix: Don't remove the vote option, just hide it. Show the vote option again if we've lost some votes.