Update changelog

Author: methane

ChangeLog.rst

@@ -1,24 +1,33 @@
 0.5.0
 ======
 
-0.5 is important step toward 1.0.  There are some deprecations.
-Please read changes carefully.
+There are some deprecations.  Please read changes carefully.
 
 Changes
 -------
 
-* Drop Python 2.6 and 3.2 support
+* Drop Python 2.6 and ~3.4 support.  Python 2.7 and 3.5+ are supported.
 
 * Deprecate useless custom exceptions.  Use ValueError instead of PackValueError,
   Exception instead of PackException and UnpackException, etc...
   See msgpack/exceptions.py
 
-* Add `strict_types` option to packer.  It can be used to serialize subclass of
+* Add *strict_types* option to packer.  It can be used to serialize subclass of
   builtin types.  For example, when packing object which type is subclass of dict,
-  `default()` is called.
+  ``default()`` is called.  ``default()`` is called for tuple too.
 
 * Pure Python implementation supports packing memoryview object.
 
+* Support packing bytearray.
+
+* Add ``Unpacker.tell()``.  And ``write_bytes`` option is deprecated.
+
+
+Bugs fixed
+----------
+
+* Fixed zero length raw can't be decoded when encoding is specified. (#236)
+
 
 0.4.8
 =====