Add CHANGELOG file

CHANGELOG.md

@@ -0,0 +1,51 @@
+Java SemVer Changelog
+=====================
+
+### 0.7.0 (Nov 16, 2013) ###
+* Adapted the library to the SemVer 2.0.0
+* [[Issue #1](https://github.com/zafarkhaja/java-semver/issues/1)] Created the SemVer Expressions Parser
+* [[Issue #2](https://github.com/zafarkhaja/java-semver/issues/2)] Added Javadoc to the source code
+* Implemented a parser instead of RegExps for the version parsing
+* Created the `MetadataVersion.NULL` object, refactored
+* Made some refactoring and minor improvements to the code
+* Updated and reformated the `README.md` file
+* Renamed the `artifactId` and changed the `name` in the `pom.xml` file
+* Updated the JUnit dependency to 4.11
+* Prepared the `pom.xml` file for the repository
+* Created the `CHANGELOG.md` file
+
+### 0.6.0 (Mar 31, 2013) ###
+* Adapted the library to the SemVer 2.0.0-rc.2
+* Added setters for the pre-release version and the build metadata
+* Added the incrementors for the pre-release version and the build metadata
+* Created the `Version.Builder` class
+* Created the `Version.BUILD_AWARE_ORDER` comparator
+* Added support for the Travis CI
+* Made minor refactoring
+* Updated the `README.md` file
+
+### 0.5.0 (Mar 8, 2013) ###
+* Updated the `README.md` file
+* Made minor refactoring
+
+### 0.4.2 (Mar 6, 2013) ###
+* Renamed the `README` file to `README.md`
+
+### 0.4.1 (Mar 6, 2013) ###
+* Bumped the version for the previous release
+
+### 0.4.0 (Mar 6, 2013) ###
+* Made the version classes immutable
+* Made minor imrovements to the code
+
+### 0.3.0 (Mar 4, 2013) ###
+* Added incrementor methods for the `NormalVersion`
+
+### 0.2.1 (Mar 3, 2013) ###
+* Made minor imrovements to the code
+
+### 0.2.0 (Mar 3, 2013) ###
+* Separated the logic into different classes
+
+### 0.1.0 (Jan 27, 2013) ###
+* Implemented basic functionality, single `Version` class