error-0.2.0.0: CHANGELOG.md

# Revision history for error

## 0.2.0.0 -- 2021-10-29

* Add `Show` instance to `Error`.

## 0.1.1.0 -- 2021-10-28

* Add `HasCallStack` to `expectError` and `unwrapError`.
* Add `showToError` and `exceptionToError`.
* Improved documentation of existing functions.

## 0.1.0.0 -- 2021-06-26

* Initial version. More or less feature complete,
  unless we decide we need extra helper functions.