Some initial tests

What this does
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 - This puts in some initial tests. 
 - Cleans up the routes

What still needs to be done
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 - More comprehensive Controller tests
 - Model tests
 - Clean up math logic (put into a "model")

cc @nathantempelman 
That migrate will require an unholy amount of changes everywhere else, won't it? Or is there some rails wizardry I haven't gotten to yet for renaming things automagically?