Rainbow Spiral using Minecraft Turtle from Martin O'Hanlon

For a while I have wanted a quick blast using Martin O'Hanlons Minecraft Turtle module. I've tweaked one of the examples a little bit to create a Rainbow Spiral. You can access Martins content here :

http://www.stuffaboutcode.com/2014/05/minecraft-graphics-turtle.html

You can access the tweaked example here:

https://github.com/ncscomputing/Hackpack/raw/Volume-5/turtle.tar

Here is what it creates:

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