Earth Elements: 0.8.1.0 update. New units: YETI , DROID and DINOSAURS

update to 0.8.1.0 Main features in this update are: -New UNITS: YETI, DROID. -New animals: dinosaurs - upgrade system for RoundOnes bug fixes: quiet bug fixes (on 10/21/21) -added new tiles 33,34,35,36,37,38 to astar as…