Warp-shroom

Warp-shroom is a mushroom that lets you swap your plant's places. In order to use this, just follow the instructions below:
 * 1) Plant two plants at two different areas.
 * 2) Plant a warp-shroom at each of them. This though requires 2 warp-shrooms.
 * 3) Click on the plant that is on the warp-shroom. Then click the other warp-shroom.
 * 4) The plants will switch places.
 * 5) Your done!

Notes:

 * Warp-shroom can be used multiple times.
 * You must plant at least 2 warp-shrooms.
 * If you have more than 2 warp-shrooms, you can warp your plants at any warp-shrooms
 * You actually CAN warp a plant on a warp-shroom with an empty warp-shroom.
 * Warp-shrooms cannot be eaten, but can be squashed.
 * Portable Plants like Sapling Minions can use the Warp-shroom to travel faster or to travel to the other side of the pool. Although, this requires one Warp-shroom above the pool and another one below the pool.
 * In order to warp plants that takes two spaces, you must plant warp-shrooms of pairs. One pair at one area, another pair at another area.
 * If you warp a plant that takes one space with a plant that takes two spaces, both of the one space filler plants will warp to where the two space-filler was at.