roo.rb in roo-2.2.0

- old
+ new

@@ -1,5 +1,6 @@
 require 'roo/constants'
+require 'roo/errors'
 require 'roo/spreadsheet'
 require 'roo/base'
 
 module Roo
   autoload :OpenOffice,   'roo/open_office'