Added rdoc comments and using the Base class now

lib/query_patch.rb

@@ -1,7 +1,9 @@
 require_dependency 'query'
 
+# Patches Redmine's Queries dynamically, adding the Deliverable
+# to the available query columns
 module QueryPatch
-  def self.included(base)
+  def self.included(base) # :nodoc:
     base.extend(ClassMethods)
 
     base.send(:include, InstanceMethods)
@@ -18,20 +20,21 @@ module QueryPatch
   end
   
   module ClassMethods
-    def hello
-      puts 'hello'
-    end
-
+    
+    # Setter for +available_columns+ that isn't provided by the core.
     def available_columns=(v)
       self.available_columns = (v)
     end
 
+    # Method to add a column to the +available_columns+ that isn't provided by the core.
     def add_available_column(column)
       self.available_columns << (column)
     end
   end
   
   module InstanceMethods
+    
+    # Wrapper around the +available_filters+ to add a new Deliverable filter
     def budget_available_filters
       @available_filters = redmine_available_filters