* 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.
* Moved the violation point from the variables offset to the `@objc` attribute startIndex. I think it kinda makes sense, since the violations warns against the redundant attribute, there is nothing to fix on the variable itself.
* Searching for ranges of violations initially, and converting later only to `StyleViolation`-s
* Making the rule conforming to `CorrectableRule`. Kinda straightforward, the only extra is that I am counting the attribute's trailing whitespace and newline characters and removing with the attribute. I am doing so since I would like to keep the format of the code.
Zev Eisenberg