Improvements

* Fix problems with passwords containing special characters
* Use the latest version of spaceship
* Update to make better use of fastlane UI calls
* Handle --email command-line argument in pilot add/remove/find
* Show what app identifier Pilot is using to help understand when pilot guesses wrong
* Raise friendly error when listing testers for invalid app
* Remove tester from a specific app when specified

https://github.com/fastlane/pilot/releases/tag/1.5.0
