ghedo/p5-Algorithm-URL-Shorten — pull request #2 by dolmen (2012-09-18 14:52:45+00:00)
Title: Refactor to improve speed

Just for fun I reworked the code:
- used `is_deeply` in test
- added a few more tests
- extracted `@chars` out of the function
- optimized `shorten_url` to avoid coding/decoding hex
- `use Exporter 'import'` instead of `@ISA = Exporter`