Playtest 0.1.5

Playtest 0.1.5

• Zombies now climb out of cracked ground instead of popping in with a dust cloud.
• Ammo boxes only drop while you hold a weapon that can use them.
• WISHLIST opens the store page inside the Steam overlay.
• Opening the Steam overlay now will pause the game.
• The "selected" label on upgrade cards no longer covers long descriptions.