Add rack-test and rspec to Gemfile and bundle
First test passing
Add pry and dotenv for testing
Remove warnings from .rspec
Add redis to .env, load dotenv in rspec, add foreman as test dependency
Merge pull request #6 from daguar/add-tests

Add test setup
Add redis gem and do initial working config with doc of how to use redis inline for dev
Add GET endpoint for tarball
Update Gemfile.lock