From 3828247993e5853d8ffecee7dfe430bf755ebe8f Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 12 Aug 2013 22:07:25 -0400
Subject: [PATCH] add Value.zero class method

---
 lib/gnucash/value.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/gnucash/value.rb b/lib/gnucash/value.rb
index 45ecc72..14a66bb 100644
--- a/lib/gnucash/value.rb
+++ b/lib/gnucash/value.rb
@@ -4,6 +4,10 @@ module Gnucash
 
     attr_accessor :val
 
+    def self.zero
+      Value.new(0)
+    end
+
     def initialize(val, div = 100)
       if val.is_a?(String)
         if val =~ /^(-?\d+)\/(\d+)$/