laravel/laravel — pull request #270 by sparksp (2012-01-24 10:52:25+00:00)
Title: Prevent a bundle from starting itself into a loop

It is possible for a bundle to trigger `Bundle::start` on itself within its bundle.php; or for 2 bundles to depend on each other; this prevents the bundles from re-requiring the bundle and route files.

See http://forums.laravel.com/viewtopic.php?id=532