Update README.md
Update README.md
Update README.md
Merge pull request #40 from Wu-Hao/patch-1

Patch 1
Merge github.com:chukong/EarthWarrior3D
Merge pull request #41 from Ryeeeeee/master

add license and credits
Update README.md

fix spelling
Merge github.com:chukong/EarthWarrior3D
update to rc2