v0.0090 Fix issue where items don't show up and sounds don't play in levels after 1.

Signed-off-by: jcdugger <janice@feetwetcoding.com>
v0.0091 Made total ammo capacity increase with each new level. Removed level
        from text overlay. Moved Lives over to where Level was. Enemies no
        longer take damage from other enemy fire.

Signed-off-by: jcdugger <janice@feetwetcoding.com>