Replaced a query with a call to $database->count(). Also reworded the
message that is shown when requsts are made for fibonacci numbers that we
don't have in the database.
Removed more uses of global and added dependency injection to url class
Moved files to not have underscores in name and updated links in menu.
Added 301 redirects to .htaccess
Removed references to old email addresses
Updated hosting link
Removed all references to global. Fixed some dependency injection.