CHANGELOG.md in stamina-gui-0.5.4 vs CHANGELOG.md in stamina-gui-0.6.0

@@ -1,4 +1,12 @@
+# 0.6.0 / 2012-09-12
+
+* Added Markable#marks and Markable#raw_data
+* State#initial!, #accepting! and error! now accept an optional truth value parameter.
+* Generalized the decoration algorithm to work backwards as well as forwards as well as
+  accepting an output Hash-like object, defaulting to true state decorations.
+* Generalized the DFA equivalence algorithm under TransitionSystem::Equivalence.
+
 # O.5.4 / 2012-03-06
 
 * InputString and Sample have been moved from stamina-induction to stamina-core as ADL
   and Walking rely on them.
 * Walking methods `parses?`, `accepts?` and `rejects?` are now aliased as `parse?`,
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