Support on Swift 5.0

2.1.0

update: support on swift5.0

Use Myers's difference alogorithm to improve performance

2.0.0

feature: use myers's difference alogorithm to improve performance

Update current project version

1.4.1

update: current_project_version

Update diff's structure

1. add NSAttributedString+Diff.swift
2. remove enumBase
3. update Modification

Reverse sequence

Because LCS is 'bottom-up', so them need be reversed to get the normal sequence

Modification add base

1.2.2

modification add base

Fix crash when diff ch-zh

1.2.1

update utf8.count to count

Update CI

1.2.0

Update .travis.yml

Rename to Sdifft

1.1.0

Update README.md

Diff 1.0

1.0.0

Update README.md