add changelog

Author: JBlond

changelog.md

@@ -0,0 +1,110 @@
+# changelog
+
+## 2.2.1 (2020-08-06)
+
+- This release fixed #58 - Side by side diff shows empty diff
+
+## 2.2.0 (2020-07-23)
+
+- adds an option for a custom override renderer. #53
+- add the feature to not have an output when there are not changes between the compared strings / files. #52 #54
+
+## 2.1.1 (2020-07-17)
+
+- This release fixes #50 that equal text files produced an output, but shouldn't.
+
+## 2.1.0 (2020-07-13)
+
+- This release adds cli non colored output. This allows it to be piped.
+
+## 2.0.0 (2020-07-09)
+
+- This version mainly adds Unified Commandline colored output
+- using semantic versioning
+
+## 1.18 (2020-07-01)
+
+- Added a dark theme to the example
+- Fix: Avoid variables with short names (some)
+
+## 1.17 (2020-06-08)
+
+- Bugfix release for #32
+
+## 1.16 (2020-03-02)
+
+- Features
+    - Add trimEqual option
+
+- Fixes
+    - Fix PHPMD Violation.
+    - Code Optimization, cleanup, refactoring and commenting.
+
+## 1.15 (2020-01-24)
+
+- Added new Unified HTML
+- code clean up
+
+## 1.14 (2019-12-03)
+
+- Removed some old dead code
+
+## 1.13 (2019-10-08)
+
+- switched to PSR12
+
+## 1.12 (2019-03-18)
+
+- Update composer
+- PSR2 fixes
+
+## 1.11 (2019-02-22)
+
+- code clean up
+- Corrected composer autoloader for unit tests
+
+## 1.10 (2019-02-20)
+
+- code clean up
+
+## 1.9 (2019-02-19)
+
+- code cleaning
+
+## 1.8
+
+- Readme updates
+- unit test fixes
+
+## 1.7
+
+- PSR2 code alignment
+
+## 1.6
+
+- php-diff requires now PHP 7.1
+- Added return type hinting
+
+## 1.5 (2019-01-15)
+
+- Fixed some autoloader naming issues
+
+## 1.4 (2019-01-14)
+
+- PSR4 namespace support added
+
+## 1.3 (2019-01-11)
+
+- PHP methods contained too much logic. That has been simplified.
+
+## 1.2 (2018-01-23)
+
+- Added support for custom titles
+
+## 1.1 (2017-05-06)
+
+- Some fixes with chinese characters
+
+## 1.0 
+
+- initial version