Add Release notes for v0.2.1

Author: csala

HISTORY.md

@@ -1,5 +1,17 @@
 # History
 
+## v0.2.1 - 2020-01-27
+
+Minor version including changes to ensure the logs are properly printed and
+the option to disable the log transformation to the discrete column frequencies.
+
+Special thanks to @kevinykuo for the contributions!
+
+### Issues Resolved:
+
+* Option to sample from true data frequency instead of logged frequency - [Issue #16](https://github.com/sdv-dev/CTGAN/issues/16) by @kevinykuo
+* Flush stdout buffer for epoch updates - [Issue #14](https://github.com/sdv-dev/CTGAN/issues/14) by @kevinykuo
+
 ## v0.2.0 - 2019-12-18
 
 Reorganization of the project structure with a new Python API, new Command Line Interface