Fixed broken test
Checking in changes prior to tagging of version 0.22.

Changelog diff is:

diff --git a/Changes b/Changes
index c35b881..fe61504 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Algorithm::HyperLogLog

 {{$NEXT}}

+0.22 2013-06-25T22:54:20Z
+    - Fixed broken test
+
 0.21 2013-06-25T17:42:09Z
     - Fixed '--pureperl-only' option support