added phoenix potion
added singularity potion
added portal potions (experimental)
set some potions to count as larger sized objects in hopes to make them rarer
reduced the price of some potions to regulate the amount of money per level
updated the visuals of the gravity potion's gravity field
added effects to potions with a positive splash effect
added health potion
added unstable potion
added stamina elixir
made gravity potion float when outside of a cart
Removed floating cube from gravity potion field