Updated ascii2img to be cross python3

ascii2img/cat

@@ -0,0 +1 @@
+#!/usr/bin/env python3 -

ascii2img/make.sh

@@ -1 +1,5 @@
-pex . -c __main__.py -o ascii2img
+pex --python=python3 . -c __main__.py -o ascii2img
+echo '#!/usr/bin/env python3' | cat - ascii2img > ascii2img.new
+rm ascii2img
+mv ascii2img.new ascii2img
+chmod +x ascii2img