Allow for specification of dat secret storage directory.

[brandonedens]

[joehand]

Thanks! I moved the secret keys to an option in the second argument. Can you update this PR to reflect that? Should make it a bit simpler =).

It'd be great to have a test for this as well! Please also make sure you run npm test on your machine and the syntax is all okay.

[codecov-io]

Codecov Report

Merging #193 into master will decrease coverage by 0.45%. The diff coverage is 50%.

@@            Coverage Diff             @@
##           master     #193      +/-   ##
==========================================
- Coverage   84.86%   84.41%   -0.46%     
==========================================
  Files           7        7              
  Lines         304      308       +4     
==========================================
+ Hits          258      260       +2     
- Misses         46       48       +2

Impacted Files	Coverage Δ
index.js	100% <ø> (ø)	:arrow_up:
lib/storage.js	68% <50%> (-3.43%)	:arrow_down:

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[joehand]

Are the tests passing locally for you? Look like they are hanging on travis but not sure why.

[joehand]

It's a bit easier to review if you just push a new commit rather than squishing all the changes. I forget what I was commenting on last time, so nice to see the diff =)

[joehand]

Looks good if you can just move that test over to test it on sharing. 🎉