Breaking changes
* Removed `-c` and `-t` shortcuts.
New features and improvements
* `--verbose` flag that prints commands hererocks runs.
* hererocks now checks if requested versions are already installed, and skips
installation in that case. Override using `--ignore-installed/-i` flag.
* PUC Rio Lua now has default git URI.
Fixes
* Installing from a git branch now works with newer git versions.