Update 0.3.2

This update contains the following:

• Increased Alien Mower's damage to 10
• Increased Quad Shooter's damage to 9
• Increased Annihilator's damage to 9
• Decreased Alien Mower's price to 300
• Decreased Blazing Rocket's price to 800
• Decreased Quad Shooter's price to 1550
• Added extra glow details to Flying Saucers
• Fixed Earth not appearing in the ending