make new take object-style connection info
Checking in changes prior to tagging of version 0.5.5.

Changelog diff is:

diff --git a/History.md b/History.md
index 8f9ba03..192ce7f 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,7 @@
+0.5.5 / 2013-08-13
+==================
+  * Fix object-style pg connection info
+
 0.5.4 / 2013-08-06
 ==================
   * functions can now be marked to be imported in bootstrap stage