-and the code has been moved into a separate directory_,
-in order to not interfere with otherwise tightly coupled CSIT code.
+but after some discussion, the export directory_
+is only a symlink to the original place of tightly coupled CSIT code.
+
+Change log
+----------
+
+0.4.0: Considarable logic improvements, more than two target ratios supported.
+API is not backward compatible with previous versions.
+
+0.3.0: Migrated to Python 3.6, small code quality improvements.
+
+0.2.0: Optional parameter "doublings" has been added.
+
+0.1.1: First officially released version.