#43 Make RUDL friendly to RubyGems

[Danny van Bruggen]

http://sourceforge.net/forum/forum.php?
thread_id=1185052&forum_id=140279

Not really a bug since it seems to be RubyGems that
is creating the conflict, so I'll post it as an RFE.

Find a way to make RUDL work with RubyGems.
Probably something in RubyGems'
rubygems/loadpath_manager.rb which replaces
"require." (Thanks Renne)