1.3.1 -- gems update
1.3.0 -- (issue #10) shows difference between two strings
1.2.0 -- add edit distance for array of integers (by @azhi)
1.1.3 -- add ruby 2.3.1 to travis tests by request from @greysteil
1.1.2 -- remove unnecessary production dependencies (by @ixti)
1.1.1 -- fix random negative distance bug (by @Skarlit)
1.1.0 -- relax and update gem dependencies, update specs
1.0.3 -- gems update
1.0.2 -- includes refactoring by https://github.com/luislavena to remove dependency on jeweler
1.0.1 -- fixed gem dependencies
1.0.0 -- stable version