Clear trunk for version 0.1.8

git-svn-id: https://plugins.svn.wordpress.org/spotbot/trunk@807748 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed IP cleanup
all IP's without notes are deleted after x months
added variable debug for development
tested and working on WP 3.7.1

git-svn-id: https://plugins.svn.wordpress.org/spotbot/trunk@807750 b8457f37-d9ea-0310-8a92-e5e31aec5664