Merge pull request #3 from rurban/master

more OPEN consts as mode argument
Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index fb8ef47..ad21f65 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension Unqlite

 {{$NEXT}}

+0.03 2013-07-18T03:14:07Z
+
+    - more OPEN consts as mode argument
+      we do not only want to create databases
+      (Reini Urban)
+
 0.02 2013-07-05T06:42:59Z

     - Store RC to magic to fix race condition
0.04: simplify constants without the need to be exported

Change all UNQLITE_* constant names to UnQLite::

They have the same length but need not to be imported, thus
do not need two symbols and no Exporter.
Fixes the SYNOPSIS examples.