fixed a bunch of instances of "then" that should have been "than" and a couple other minor spelling/grammar issues I noticed along the way
Carl Minden
Branch: carlminden/incursion-roguelike:master
Branch: rmtew/incursion-roguelike:master
Merged
Merged pull request
Merged in carlminden/incursion-roguelike (pull request #7)
I was poking around a bit and noticed an instance of "then" that should have been a "than"...I found a few more...