v2.2.7: Bug fixes, improvments and new features

Changes since v2.1.6:

* `lib/zypper`: Complete query/removal options (Thanks to `Janne Heß`);
* `lib/cave`: Fix an issue with `-R` option;
* New option `--noconfirm` to help non-interactive scripts (Cf. icy#43).
  Currently available for `pkgng`, `yum`, `dpkg` and `zypper`.

For developers:

* `lib/{00_core,zz_main}`: Refactor to support future option translation;
* Refactor code supports `-w` (download only) and `-v` (debug) options;
* Improve coding quality thanks to `shellcheck`;
* Move `compile.sh` to `bin/compile.sh`;
* Use `lib/00_core#_translate_all` to add future option translation;
* `bin/check`: Add script to inspect coding style issues (Cf. icy#54).

v2.1.6: Bug fixes and SunOS support

Changes since v2.0.5:

* `lib/sun_tools`: `SunOS` support (Thanks to `Daniel YC Lin`)
* Fix a minor bug related to argument parsing (4287ff1)
* Improve documentation
* `lib/dnf`: Add some initial support
* Adding `GREP` and `AWK` environments to future non-`Linux` systems
* `compile.sh` will exit if it can't detect version information
* `README` has a table of supported operations generated by `compile.sh`
* In debug mode, `pacapt` will print body of function it would execute

v2.0.5: minor improvements

Changes since v2.0.4:

* `lib/zz_main`: Improve secondary option parsing
* `lib/pkg_tools`: Remove `Rns` support

New version v2.0.4

Changes since v2.0.3:
* `openbsd/pkg_tools`: Add (Thanks to `Somasis`)
* `homebrew/Su*`: Use `--all` flag when upgrading
* `homebrew/*`: Some typo fixes
* `compile.sh`: `git` becomes optional (useful for `docker` tester.)
* `compile.sh`: Get list of authors from `README.md`
* `Makefile`: Various improvements
* `lib/00_core`: Add `_removing_is_dangerous` method
* `lib/00_core`: `_not_implemented` now returns `1`
* `lib/help.txt`: Remove list of authors from help message
* `CHANGELOG.md`: Add

v2.0.3 with minor homebrew improvements

v2.0.2 with bug fix

The first version 2.0.1 of the 2.0 branch

Version 2.0.0-epsilon with icy#33 merged

Version 2.0.0-delta. Are we ready for a release?

New beta version 2.0.0-beta