Added changelogs for new versions (#248)

* Added changelogs for new versions

* Added changelog for adapter-common

* Added more changelogs

Author: Nyholm

Changelog.md

@@ -1,14 +1,18 @@
 # Change Log
 
-The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release. 
+The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release.
 
-## UNRELEASED
+## 1.2.0
+
+### Added
+
+* Support for PHP 8
 
 ### Changed
 
 * New Hierarchical mode by using nested arrays instead of a flat array
 
-## 1.1.0
+## 1.0.1
 
 ### Fixed
 
@@ -24,12 +28,12 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 
 ### Added
 
-* Support for the new `TaggableCacheItemPoolInterface`. 
+* Support for the new `TaggableCacheItemPoolInterface`.
 * Support for PSR-16 SimpleCache
 
 ### Changed
 
-* The behavior of `CacheItem::getTags()` has changed. It will not return the tags stored in the cache storage. 
+* The behavior of `CacheItem::getTags()` has changed. It will not return the tags stored in the cache storage.
 
 ### Removed