Checking in changes prior to tagging of version 0.5.3.

Changelog diff is:

diff --git a/History.md b/History.md
index df6cc03..5ad8692 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,7 @@
+0.5.3 / 2013-07-25
+==================
+  * import-bundle-funcs
+
 0.5.2 / 2013-07-10
 ==================
   * Restore pg 9.1 support
fix async.waterfall call