Add stat target to Makefile.

Makefile

@@ -1,4 +1,4 @@
-.PHONY: clean run
+.PHONY: clean run stat
 
 game.jar: clean
 	mkdir -p compiled
@@ -13,3 +13,6 @@ run: game.jar
 clean:
 	rm -rf compiled
 	rm -f game.jar
+
+stat:
+	find . -type f -name '*.java' -print0 | xargs -0 wc -l

README.md

@@ -28,6 +28,10 @@ There are some minor things you need to set up to your project in eclipse:
 * Add the folder res/ to your *build path*!
 * You're now set up to develop and test!
 
+Stats
+-----
+If you're interested in the amount of code, run 'make stat'.
+
 Troubleshooting
 ---------------