Merge pull request #53 from civisanalytics/1.1.1.fix

Fixing 1.1.1 link in `CHANGELOG.md`

Author: jeffreyc

CHANGELOG.md

@@ -98,7 +98,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 * Initial Release
 
 [Unreleased]: https://github.com/civisanalytics/swagger-diff/compare/v1.1.1...HEAD
-[1.1.0]: https://github.com/civisanalytics/swagger-diff/compare/v1.1.0...v1.1.1
+[1.1.1]: https://github.com/civisanalytics/swagger-diff/compare/v1.1.0...v1.1.1
 [1.1.0]: https://github.com/civisanalytics/swagger-diff/compare/v1.0.5...v1.1.0
 [1.0.5]: https://github.com/civisanalytics/swagger-diff/compare/v1.0.4...v1.0.5
 [1.0.4]: https://github.com/civisanalytics/swagger-diff/compare/v1.0.3...v1.0.4