Modified database interactions for improvements and solved page redirect bug after successful payment by providing robust solution

git-svn-id: https://plugins.svn.wordpress.org/wp-donate/trunk@793410 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified database interactions for improvements and solved page redirect bug after successful payment by providing robust solution

git-svn-id: https://plugins.svn.wordpress.org/wp-donate/trunk@793412 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified database interactions for improvements and solved page redirect bug after successful payment by providing robust solution

git-svn-id: https://plugins.svn.wordpress.org/wp-donate/trunk@793413 b8457f37-d9ea-0310-8a92-e5e31aec5664