Improve CLI search result view
Antispam prep: tagging fixes, behavior tracking tags, plugin API work
Fixed plugin importer, removed outdated old config loader
Moving all pickling functionality into ConfigManager
Misc. bugfixes
1st draft of SpamBayes based auto-classification of mail
Tune autotagging behavior slightly
Update --setup to configure spam filtering
Misc. minor CLI/search bugfixes
Autotagging fixes
Made the autotag stuff more generic