Update requirement
Checking in changes prior to tagging version "0.2.9".

Changelog diff:

diff --git a/History.md b/History.md
index 8ce830c..aad195b 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,10 @@
 # Revision history for murmurhash3

+0.2.9 / 2014-05-17
+==================
+
+  * Update docs
+
 0.2.8 / 2014-05-07
 ==================