Update outdated changelog

CHANGELOG.md

@@ -1,6 +1,26 @@
 Change Log
 ==========
 
+Version 1.1.0 *(January 8th 2016)*
+--------------------------
+
+### New features
+
+- Implement a StoreReader.keys() method (#13)
+
+### Bugfixes
+
+- Fixes the return type of apis (#9)
+- A Exception Using reader.iterable() (#16)
+
+### Performance improvements
+
+- Share slot read buffers (#14)
+
+### Compatibility
+
+The prefix bytes have been modified (#21) as they were confusing so exceptionally this version breaks store compatibility with 1.0.0. This shouldn't happen anymore in the future for minor versions.
+
 Version 1.0.0 *(July 1st 2015)*
 --------------------------
- *  First public release
+ *  First public release