implement champion model
improved champions#list, cassettes sorted out
Remove puts
Updated CHANGELOG
Bump to 0.0.4
Custom logger that redacts API key
Useful for debugging! :+1:
Merge pull request #26 from petems/custom_logger

Custom logger that redacts API key
Merge pull request #28 from dmcneil/implement-champion

Implement Champion Model
Model constructor spec for Champion class