Checking in changes prior to tagging version "0.2.3".

Changelog diff:

diff --git a/History.md b/History.md
index eb041f3..d55ff8d 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,10 @@
 # Revision history for unqlite

+0.2.3 / 2014-05-25
+==================
+
+  * Change version of nan(1.10)
+
 0.2.2 / 2014-05-08
 ==================