mmsyn3-0.1.2.1: ChangeLog.md

# Revision history for mmsyn3

## 0.1.0.0 -- YYYY-mm-dd

* First version. Released on an unsuspecting world.

## 0.1.1.0 -- 2019-10-18

* First version revised A. Changed usage of errors to Maybe inside IO monad.

## 0.1.1.1 -- 2019-10-18

* First version revised B. Some minor changes to the documentation and .cabal file.

## 0.1.2.0 -- 2019-10-22

* First version revised C. Changed bounds in a .cabal file. 

## 0.1.2.1 -- 2019-11-18

* First version revised D. Fixed an issue with documentation.