effect-stack-0.2.1: ChangeLog.md

# Revision history for effect-stack

## 0.2.1 -- 2019-07-07

* Demand a very new transformers because we import a very new module.

## 0.2 -- 2019-07-07

* Added some type-level hackery to make it more comfortable to use with deep stacks.
* Added a needed dependency on mtl.

## 0.1.0.1 -- 2019-07-04

* Removed an unneeded dependency on mtl.

## 0.1.0.0 -- 2019-07-04

* First version. Released on an unsuspecting world.