Add support for https on replace on db. Version 0.1.12

git-svn-id: https://plugins.svn.wordpress.org/multisite-cloner/trunk@1032609 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update readme.

git-svn-id: https://plugins.svn.wordpress.org/multisite-cloner/trunk@1032610 b8457f37-d9ea-0310-8a92-e5e31aec5664