CHANGELOG.md in openstudio-analysis-0.2.2 vs CHANGELOG.md in openstudio-analysis-0.2.3

@@ -2,10 +2,15 @@
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 Unreleased
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-* DELETE should return success if 204
+Version 0.2.3
+--------------
+
+* Support for optional variables
+* Display names and Machine names in the models now
+* More error checking
 
 Version 0.1.14
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 * Symbolize headers parsed from excel file.