Dries changes Drupal's upcoming version in HEAD

Dries committed a change to CVS with the comment:

This feels good.

What was the change?Before:

define('VERSION', '4.8.0 dev');

After:

define('VERSION', '5.0.0 dev');

Finally, the first non-4.something Drupal in 4 years and 4 months (April 14, 2002).