Re-made the UpgradeItem class
Undid fail...
Added methods
Merge branch 'master' into UpgradesSystem

Conflicts:
	SpaceInvadersEPIC/bin/spaceInvaders/UpgradeShop.class
Improved upgrade System
Merge branch 'master' into BossAlien

Conflicts:
	SpaceInvadersEPIC.jar
	SpaceInvadersEPIC/bin/spaceInvaders/Game.class
	SpaceInvadersEPIC/bin/spaceInvaders/UpgradeShop$1.class
	SpaceInvadersEPIC/bin/spaceInvaders/UpgradeShop.class
	SpaceInvadersEPIC/src/spaceInvaders/Game.java
	SpaceInvadersEPIC/src/spaceInvaders/UpgradeShop.java