i18n.rb in negroku-2.0.0.pre2

- old
+ new

@@ -1,5 +1,6 @@
 require 'i18n'
+require 'set'
 
 en = {
   capified:                    'Capified',
   written_file:                'create %{file}',
   application_name:            'Give your application a name',