fixes

app/controllers/folders_controller.rb

@@ -1,3 +1,6 @@
+require 'imap_mailbox'
+require 'imap_session'
+
 class FoldersController < ApplicationController
 
     include ImapMailboxModule

app/controllers/messages_controller.rb

@@ -54,6 +54,8 @@ class MessagesController < ApplicationController
 		flash[:notice] = 'Not impelented yet'
 	end
 
+# TODO error when no folders are shown
+
 	def refresh
         @folders_shown.each do |f|
             @mailbox.set_folder(f.full_name)

app/controllers/user_controller.rb

@@ -12,6 +12,8 @@ class UserController < ApplicationController
 		redirect_to :action => "login"
 	end
 
+# TODO make login possible to use only one username
+
 	def authenticate
 		user = User.find_by_email(params[:user][:email])
 		if user.nil?