* Add expiring todos rule
* Fix default dateFormat
* Fix date regex to handle 2-4 at beginning/end of string
* Clean up/improve clarity
* Add tests for ExpiringTodoRule
* Add output from make sourcery
* Add output from make sourcery
* Update documentation
* Enable updating of all configuration properties
* Add back Foundation import
* Add changelog entry
* Add 2 spaces after changelog entry
* Add return for legacy swift compatibility
* Add unwrapping to switch statement
* Use disable:next
* Add default values to severity config init; Add public delimiter init
* Add tests for various custom configurations
* Remove unused funcs
* Add extra tests to LinuxMain file
* Update File type -> SwiftLintFile
* Move Changelog entry
* Shorten changelog entry line length
* Fix changelog