Can not run Alexandria on Hoary!

[graabein]

Anyone installed Alexandria 0.5.1 from source or the Debian package?

I get an error when I start it...


Code:
--------------------
    /usr/local/lib/site_ruby/1.8/alexandria/ui/about_dialog.rb:20: uninitialized constant Gtk::AboutDialog (NameError)
  from /usr/local/lib/site_ruby/1.8/alexandria/ui.rb:25:in `require'
  from /usr/local/lib/site_ruby/1.8/alexandria/ui.rb:25
  from /usr/local/lib/site_ruby/1.8/alexandria.rb:74:in `require'
  from /usr/local/lib/site_ruby/1.8/alexandria.rb:74
  from /usr/bin/alexandria:7:in `require'
  from /usr/bin/alexandria:7
  
--------------------


-- 
graabein