Checking in changes prior to tagging of version v0.2.4.

Changelog diff is:

diff --git a/Changes b/Changes
index a4e4bce..377d922 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,13 @@ Revision history for Perl extension Spellunker

 {{$NEXT}}

+v0.2.4 2013-04-27T14:15:11Z
+
+    - Added more stopwords.
+      (tokuhirom)
+    - Support &amp;.
+      (tokuhirom)
+
 v0.2.3 2013-04-24T10:11:05Z

     - Ignore multi byte characters