Perl example stopped working

Not sure what changed about perl. I just switched to a new Mac, maybe there's something different about the Apple build.

```
Eval-group not allowed at runtime, use re 'eval' in regex m/(?{eval"\$==pop||99;--\$=;sub
_\{(\$;=(\$=||No).\" bottle\".\"s\"x!!--\$=.\" of beer\").\" on the wall\"\}print+_,\",.../ at /Users/kyle6475/code/src/atom.io/packages/script/examples/99beers.pl line 22.
[Finished in 0.019s]
```