[#67518818] stopped loading duplicate heroku constants
[#67518818] stopped loading of blank heroku constants
Merge pull request #26 from hedgeye-bnovak/67518818-stop-loading-duplicate-constants

67518818 stop loading duplicate constants
added comments to explain ignored keys
[#67518818] updated comments to read easier
Merge pull request #27 from hedgeye-bnovak/67518818-stop-loading-duplicate-constants

added comments to explain ignored keys