Add a Bitdeli badge to README

bitdeli-chef · bitdeli-chef · commit c0e08101baa7 · 2014-01-29T11:52:21.000Z
diff --git a/README.md b/README.md
@@ -120,3 +120,7 @@ public methods are declared in the Decimal class.
 - [ ] Create the **Rational** class.
 - [ ] Create the **Complex** class.
 - [X] Add the *pow* method.
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+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/Litipk/php-bignumbers/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
+
