- add Changelog.md: tried my best to add Changes done in previous Versions

Author: VimS

CHANGELOG.md

@@ -0,0 +1,146 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [2.0.0] - 2020-09-??
+####Major overhaul of the Library with some Breaking changes. Please read before updating!
+### Added
+- Ability to change the API-Host
+- Support for the full Range of Request Parameters offered by DeepL
+- Ability to check Languages supported by DeepL-Api (source and target)
+- Ability to monitor API usage
+### Changed
+- **Breaking Change!** tagHandling-Parameter for translate-function was changed from array to string. 
+- **Breaking Change!** translate now always returns an array, because in our internal usages we found, that we always converted the string to an array anyway.
+- Errocodes & Messages come now directly from DeepL
+- all Requests are now send as POST as it is recommended by DeepL
+- all Parameters except the API-key are send in the Requestbody
+- Tests are now split into Unit- and Intergration-Tests (which need an API-Key to run)
+### Removed
+- internal Error-codes
+- internal storage of source- and target-languages
+
+## [1.1.0] - 2020-08-07
+### Changed
+- use API v2 as default [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+## [1.0.11] - 2020-06-23
+### Added
+- Add supported languages to Readme [@bestog](https://github.com/bestog)
+- Add Japanese and Chinese to supported languages [@bestog](https://github.com/bestog)
+- add formality parameter [@tomschwiha](https://github.com/tomschwiha)
+- Added possible Portuguese variants [@interferenc](https://github.com/interferenc)
+### Changed
+- Update README.md (added Flaggs)  [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+- Add portuguese varieties in README [@Sasti](https://github.com/Sasti)
+
+## [1.0.10] - 2020-02-26
+### Added
+- create clover.xml in travis and push to scrutinizer
+### Changed
+- update scrutinizer config
+- change keyword in composer.json
+
+all by [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+## [1.0.9] - 2020-02-03
+### Added
+- add phpcs to project and integrate it into travis-ci configuration
+### Changed
+- update composer description
+- fix scrutinizer ci url
+- disable xdebug in composer for travis-ci 
+- update testing sequence 
+
+all by [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+## [1.0.8] - 2019-11-28
+### Changed
+- update tests for travis deepl api testing 
+- fix testTranslateIgnoreTagsSuccess 
+- update php version 
+
+all by [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+
+## [1.0.7] - 2019-11-25
+### Added
+- packagist status to README.md file [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+### Changed
+- Fix ignore tags  [@tomschwiha](https://github.com/tomschwiha)
+- Update README.md [@tomschwiha](https://github.com/tomschwiha)
+
+
+## [1.0.6] - 2019-09-05
+### Added
+- add php 5.5 to travis ci test [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+### Changed
+- Fix wrong error message [@shamimmoeen](https://github.com/shamimmoeen)
+- set dist precise for php 5.4 and php 5.5 in travis configuration [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+
+## [1.0.5] - 2019-02-20
+### Added
+- deepl v2 api support and [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+### Changed
+-  fix some little errors [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+
+## [1.0.4] - 2019-02-14
+### Added
+- Add PT and RU to supported languages [@floranpagliai](https://github.com/floranpagliai)
+### Changed
+- replace travis build php nightly build with php 7.3 [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+### Removed
+
+## [1.0.3] - 2018-19-23
+### Added
+- Add tag_handling optional param [@floranpagliai](https://github.com/floranpagliai)
+- Add tagHandling test [@floranpagliai](https://github.com/floranpagliai)
+- Add ignore_tag optional param [@floranpagliai](https://github.com/floranpagliai)
+- Add test for ignore tags [@floranpagliai](https://github.com/floranpagliai)
+- Add var typing on setIgnoreTags method [@floranpagliai](https://github.com/floranpagliai)
+### Changed
+- Fixed array syntax [@floranpagliai](https://github.com/floranpagliai)
+- Fixed array syntax [@floranpagliai](https://github.com/floranpagliai)
+- Fixed buildUrl test [@floranpagliai](https://github.com/floranpagliai)
+
+
+## [1.0.2] - 2018-06-04
+### Changed
+- send text as POST body to solve 414 uri too long error [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+## [1.0.1] - 2018-06-12
+### Changed
+- fix travis-ci build status image [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+- update translate method return [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+- update readme [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+
+## [1.0.0] - 2018-06-12
+Initial public Release [@arkadiusjonczek](https://github.com/arkadiusjonczek)
+
+
+
+
+[Unreleased]: https://github.com/Baby-Markt/deepl-php-lib/compare/master...head
+[2.0.0]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/2.0.0
+[1.1.0]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.1.0
+[1.0.11]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.11
+[1.0.10]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.10
+[1.0.9]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.9
+[1.0.8]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.8
+[1.0.7]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.7
+[1.0.6]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.6
+[1.0.5]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.5
+[1.0.4]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.4
+[1.0.3]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.3
+[1.0.2]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.2
+[1.0.1]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.1
+[1.0.0]: https://github.com/Baby-Markt/deepl-php-lib/releases/tag/v1.0.0
+
+What is a changelog?