Divisions table to list

Changes the divisions table of divisions#index into a basic list of 'panels'.

![screen shot 2014-09-25 at 5 58 23 pm](https://cloud.githubusercontent.com/assets/1239550/4401157/cfb11740-4489-11e4-847e-c7f4f6bc01d5.png)

Closes #470 
Closes #330 
I think you should be using `whip_guess` rather than `calc_whip_guess` here. `calc_whip_guess` is used to calculate the cached value `whip_guess` which should always be up to date