Respond with score

So we can refactor with confidence
Extract method

Simple method extraction into a module function. The find_or_create had
to change into a find_or_initialize because we don’t want our module
function to have side effects.

Now that we’ve extracted, we can (a) test this properly and (b) run the
logic from the console to input some dummy scores.
Tidy score builder

I should’ve really tested this better first
Aspirational specs
Merge pull request #11 from patrickdavey/refactor

Refactor