Z-IO-0.1.1.2: ChangeLog.md

# Revision history for Z-IO

## 0.1.1.2  -- 2020-09-25

* Fix macOS build problem caused by missing zconf.h.
* Add more tests(TCP, IPC).

## 0.1.1.0  -- 2020-09-19

* Add stream utilities to `Z.IO.Buffered`.
* Add `Z.Compression.Zlib`.