v1.0.6 

-Added player and enemy death sounds 
-Added grunt sound for player attack and wood punch 
-No wood indicator pops up and negative sound plays when you try to build but can't
-Build indicators turn red if you can't build
-Changed credits from Music -> Audio and Writing -> Story
-Walkers will sometimes realize they can just move forward to win, and will speed up
-Walkers in levels changed (used to be always 4, now starts at 3 and gets to 4)
-Game UI doesn't disappear when paused
-Added small results UI to level complete screen
-Added tutorial text for level 1