Checking in changes prior to tagging version "0.1.1".

Changelog diff:

diff --git a/History.md b/History.md
index ef48ce4..1b19407 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,11 @@
 # Revision history for unqlite

+0.1.1 / 2014-04-30
+==================
+
+  * Fixed error message handling
+  * Improved document
+
 0.1.0 / 2014-04-30
 ==================