As mentioned in the recent XCode 10.2 PR thread: https://github.com/snipsco/Postal/pull/83#issuecomment-485564820
* Result module was removed but is still referenced in Postal.podspec. I don't use pods in my project so I'm not sure what issues this may cause.
* Postal-iOS framework has 7 swift language-related warnings:
<img width="741" alt="Screen Shot 2019-04-22 at 5 39 00 PM" src="https://user-images.githubusercontent.com/26582629/56534036-dcdacc00-6526-11e9-8e15-db4caf181d59.png">