Changed the item pools a little bit. (So some items are now angel pool only, and some are curse/devil only.)

Added greed angel and devil pools. (whoops, forgot that before)

slight change

Now appear in greed mode treasure rooms.

Tiny little error fixed (hopefully nobody saw it!)

Improved the icon significantly.

Fundamentally changed how the plagues of lice and flies work.
Thanks for the suggestion Sundance Kid!

Updated items to be in item pools. (May not be functional at the moment, but eventually will be.)

Added plague of hail. Finished for now!

Added plague of boils.
Fixed plague of frogs (also added sounds).