- Implement source caching for VCS.
- Add bash completion for pakit command.
- Smarter default cmd dir for recipes, during `build()` executes in `source`,
during `verify` executes in `link`
- `--list`: Shorten hash and list repo installed from.
- `--display` formatting fix.
- Added recipes: ack, cmake, ctags, git, hg, libjsoncpp, p7zip, unrar, zsh.
- Fix: Rare Command Failure