Added changes for release.

changelog.md

@@ -1,3 +1,19 @@
+### v2.1.0 - Parser improvements
+- Allowed more separator characters for the tag number ([#2](https://github.com/Mistralys/version-parser/issues/2))
+- Improved the branch and tag detection.
+- More flexible and lenient parsing.
+- Added the `VersionTag` class to hold tag and branch information.
+- Added `getTagInfo()` to retrieve the `VersionTag` object.
+- Added `isStable()`, `isDev()` and `isPatch()`.
+- The `stable` tag type is now recognized as well if present.
+- Added short tag name parameter to `registerTagType()`.
+- Spaces are now supported as separator characters.
+- More special characters are now filtered out.
+- Added `toArray()`, mostly for debug reasons.
+- Split the parser into several specialized subclasses.
+- Deprecated `setUppercase()` - use `setTagUppercase()` instead.
+- Deprecated `getTagWeights()` - use the `TagWeights` class instead.
+
 ### v2.0.0 - PHP 7.4 update
 - Increased minimum requirement to PHP 7.4.
 - Added the possibility to register custom tag types.