New features and improvements
* hererocks now creates activation scripts a-la virtualenv in `<location>/bin`.
Bash, Zsh, Dash, Fish, Csh, Batch, and PowerShell are supported.
* Lua 5.3.3 can now be patched to fix a bug (`Expression list with four or more
expressions in a 'for' loop can crash the interpreter`), try `--patch`.