st2-0.1.0.1: ChangeLog.md

# Revision history for st2

## 0.1.0.1 -- 2018-11-02

* Fix internal bug that could cause semantic differences under optimisations,
  related to implementation of runRegion#.

## 0.1.0.0 -- 2018-07-23

* First version. Released on an unsuspecting world.