Fixed JSON errors in round data files
Changed buttons to choose round to show title of rounds instead of filenames
Added font to be shipped with pyPardy
Added settings to choose between GUI for low and high resolutions
Improved sound effects and background music
Added debouncing for buzzer
Minor refactoring of gui helper functions
Added verification for round data files
Added memoization for round data from file
Some minor changed in round data files
Added some ideas for questions
Removed debug output