v0.2

Author: soniakeys

changelog renamed to changelog.md

@@ -1,4 +1,12 @@
-v0.1 2013 Sep 20
+## v0.2 2013 Nov 14
+
+* Ditherer added.  Sierra 24A, a simpler kernel than Floyd-Steinberg.
+Provided through the new draw.Drawer interface which is new to Go 1.2.
+* New draw.Quantizer interface supported, which is also new to Go 1.2.
+* Tests added.  These work on whatever .png files are found in the source
+directory.  The tests do nothing if no suitable .png files are present.
+
+## v0.1 2013 Sep 20
 
 This started as a little toy program to implement color quantization.  But then
 I looked to see what else was published in Go along these lines and didn't find