Update 20

- Fixed a bug about enemies refusing to melee attack when "Ignore NavMarkers" is turned off

- Added three new functions to the Enemy Action Marker: disengage, become blind, become deaf

- Brachyan enemy (now called Myconid) reworked and reinstated into the Atlantis levels - See manual for specifics

- Improved the electro fish's gibbing

- Fixed an obscure bug about the electro fish not being able to play its attack animation

- The template properties of spawner enemies list only enemies now

- Added two new key items (Vishnu's mace and Vishnu's conch) - This is for a future map

- T3DGM explosions are now full bright

The folders returners need to replace: ModelsF (Enemies/Fish/Debris, Items/Keys/VishnuConch and mace, t3dgm/Explosion), DataF (Messages/Enemies/CrabmanGreen and red), Levels (LevelsF/Atlantis 4 and 5) and EntitiesMP.dll.