Right now it's just what it's called. Use the arrow keys. I am planning to add more to this
UPDATES 11/2/14: 0.1 is out! 12/2/14: 0.2 is out! The thing that you control now looks like you can look what's inside! 2/10/14: 0.3 is out! Press space to switch shape of tube! :D 7/10/14: 0.3.5 is out! Improved on the square tube
