marks 2.1 release

README.md

@@ -35,7 +35,7 @@ Let me know what you think about tiedot, I love to hear from you! Please [Email
 
 tiedot is distributed under the [Simplified BSD license][Contributors and License].
 
-The newest version 2.0 (branch 2.0) is a complete re-write aiming to bring a much cleaner codebase. Please check out [Version History] for change logs and historical version informaion.
+Please clone branch 2.1 for the latest features. Please check out [Version History] for change logs and historical version informaion.
 
 ### Project Story
 
@@ -65,4 +65,4 @@ __Why the name "tiedot"?__
 [Twitter]: https://twitter.com/hzguo
 [blog]: http://allstarnix.blogspot.com.au
 [Issues]: https://github.com/HouzuoGuo/tiedot/issues
-[Contributors and License]: https://github.com/HouzuoGuo/tiedot/wiki/Contributors-and-License
+[Contributors and License]: https://github.com/HouzuoGuo/tiedot/wiki/Contributors-and-License

doc/Version-History.md

@@ -1,3 +1,10 @@
+### 2.1 (2014-05-31)
+
+New experimental features:
+
+- JSON parameterized queries
+- A Python client for HTTP APIs
+
 ### 2.0 (2014-01-20)
 
 tiedot 2.0 brings to you new file structures, APIs and a much cleaner codebase. The essential new feature in 2.0 is that all collections are partitioned, hoping to show better scalability; but the mechanism is still being tweaked.
@@ -88,4 +95,4 @@ Known issues:
 
 - Under a rare and specific data corruption situation, document update may panic.
 - Several HTTP API endpoints return incorrect content type.
-- File buffers in memory are not periodically synchronized with underlying storage device.
+- File buffers in memory are not periodically synchronized with underlying storage device.