The background elements update

Game

-Added 2 charts: High & Ugh

-Audio delay and visual delay are now separate options

-Updated backgrounds of some charts

-Now the difficulties are actually change the difficulty. They have been relabeled to Easy, Medium, Hard & Insane

-Added an update notice to the main menu

Editor

-Added selection tools (select by right-clicking, copying, cutting & deleting)

-Added a complex background editor that lets you add animated elements, backdrops & foreground elements (High & Ugh were added to show how this editor works)

-Added the option to edit the offsets of sprites

-Added a loop-frames property to player and enemy sprites (Used in High for example)

-Added multiple sprite sets functionality for player and enemy (Used in Ugh for example)

-Added the option to copy visual data from other charts (player & enemy sprites, camera positions & background layout)

-Added commands to change sprite sets

player_alt=[value]
enemy_alt=[value]