more logging

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@822156 b8457f37-d9ea-0310-8a92-e5e31aec5664
no chmod-ing on Windows

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@822211 b8457f37-d9ea-0310-8a92-e5e31aec5664