CHANGELOG.md in rstat-0.0.3 vs CHANGELOG.md in rstat-0.0.4

@@ -1,4 +1,9 @@
+## v0.0.4
+
+* Added percentile.
+* Added interquartile range.
+
 ## v0.0.3
 
 * Better mode algorithm.
 * Fixed geometric mean test to test for realness instead of NaN because Ruby 1.9+ returns complex number instead of NaN when there's negative numbers in the set.
 * Made array.rb load all files automatically instead of listing them manually.