CHANGELOG.adoc in epub-parser-0.3.9 vs CHANGELOG.adoc in epub-parser-0.4.0

@@ -1,6 +1,11 @@
 = CHANGELOG
 
+== 0.4.0
+
+* [REFACTORING]Make submodules for `XMLDocument::Refinements`
+* [BUG FIX]Make epub:type a Set
+
 == 0.3.9
 
 * [BUG FIX]Set {EPUB::Metadata::DCMES#lang} properly from xml:lang attribute
 * Change default XML backend from REXML to Nokogiri