ztar-0.0.3: CHANGELOG.md

# ztar 0.0.3

Breaking changes:
* `create` now takes compression algorithm

Other changes:
* `extract` automatically detects compression algorithm used
* `extract` now handles ZIP archives and uncompressed TAR archives
* Add integration testing

# ztar 0.0.2

* Add createGZ'

# ztar 0.0.1

* Initial commit