--- a/lib/ezmlm.rb	Fri May 12 11:09:36 2017 -0700
+++ b/lib/ezmlm.rb	Fri May 12 16:17:41 2017 -0700
@@ -23,6 +23,7 @@
 
 	# Suck in the components.
 	#
+	require 'ezmlm/hash'
 	require 'ezmlm/list'
 	require 'ezmlm/list/author'
 	require 'ezmlm/list/message'