Version 1.1 Update

FOR VERSION 1.1:

DONE:

Added a codes menu using Kaboom.JS' text feature.  

The welcome code is 'hi23'

Made more expensive skins grant more invincibility while using the shield.

Fixed a bug where the player wouldn't get back on the screen if they fell after level 50.

TODO:

Fix the easter egg scene on level 69.

Add a save and quit menu to let the player quit gameplay while actively playing the game and retaining their coins.