1.0 - October 4, 2015 - Initial release 1.1 - October 7, 2015 - Embedding GTMNSStringHTMLAdditions to limit external dependencies. 1.2 - October 5, 2017 - Using GRK namespace for GTMNSStringHTMLAdditions to avoid collisions. 1.3 - October 6, 2017 - Updating GTMNSStringHTMLAdditions to tag 2.1.2 (with slight modifications (ARC + extracting from main GMT codebase). 1.3.1 - 2020/10/27 @levigroker - Minimum deployment version bump to silence Xcode 12 warnings.