Buffer example from WIKI doesn't work

[hems]

I can't get the example from Buffer page to work:

https://github.com/mohayonao/CoffeeCollider/wiki/21-Buffer

b = Buffer([-1, -0.5, -0.25, -0, +0, +0.25, +0.5, +1])
( -> OscN.ar(b, 440) ).play()

[mohayonao]

This was a bug. I've fixed it. thank you for your report.