Added rdoc comments and using the Base class now

lib/issue_patch.rb

@@ -1,7 +1,9 @@
 require_dependency 'issue'
 
+# Patches Redmine's Issues dynamically.  Adds a relationship 
+# Issue +belongs_to+ to Deliverable
 module IssuePatch
-  def self.included(base)
+  def self.included(base) # :nodoc:
     base.extend(ClassMethods)
 
     base.send(:include, InstanceMethods)
@@ -36,6 +38,8 @@ module IssuePatch
   end
   
   module InstanceMethods
+    # Wraps the association to get the Deliverable subject.  Needed for the 
+    # Query and filtering
     def deliverable_subject
       unless self.deliverable.nil?
         return self.deliverable.subject