Version 1.2.0 Update (post-jam)

• Add main menu, where you can select the difficulty you want to play.
  Use keyboard or mouse to select a difficulty.
  Each difficulty has its own save.
  #21 Difficulty select menu
  #26 Select difficulty with keyboard in DifficultySelect menu
• Save best level clear times for each level.
  Display an in-game timer after the level has been beaten once if the timer is running.
  Display the best time for each level, in-game next to the running timer.
  #23 Save best time to savefile
  #28 Display timer in-game
  #31 Display best time with timer
• Minor paused menu UI changes.
• Reset saved player deaths after beating a level.
  (Player deaths are only printed to the console.)
• The window can be resized by the user.
  It's recommended to keep it at a 1:1 size ratio (square window).
• Display a different "level complete" text for each level.
• Level changes.
• Tile spritesheets changes.