* Add Example wrapper in order to display test failures inline when running in Xcode.
* Stop using Swift 5.1-only features so we can compile on Xcode 10.2.
* Wrap strings in Example.
* Add Changelog entry.
* Wrap all examples in Example struct.
* Better and more complete capturing of line numbers.
* Fix broken test.
* Better test traceability.
* Address or disable linting warnings.
* Add documentation comments.
* Disable linter for a few cases.
* Limit mutability and add copy-and-mutate utility functions.
* Limit scope of mutability.
* Add private_only to prefixed_toplevel_constant
This allows users to opt in to only validate top level constants have
the given prefix if the constant is private or fileprivate.
JP SimardandGitHub
Danny MöschandGitHub
Zev EisenbergandGitHub
Keith SmileyandGitHub