Updating new version 1.2

git-svn-id: https://plugins.svn.wordpress.org/yawpp/tags/1.2@820070 b8457f37-d9ea-0310-8a92-e5e31aec5664
updating readme

git-svn-id: https://plugins.svn.wordpress.org/yawpp/tags/1.2@820084 b8457f37-d9ea-0310-8a92-e5e31aec5664
adding prepare function to all SQL queries

git-svn-id: https://plugins.svn.wordpress.org/yawpp/trunk@839097 b8457f37-d9ea-0310-8a92-e5e31aec5664