Bump version to 4.0.2 for hotfix release

Resolves issue #112

Update post/thread/file deletion query scan parameters

Update versions for v4 release

Update version number for release

Fix plugin building bug in build.py

Update configuration documentation with GeoIP and fingerprinting

Remove "Verbosity" config field and rename "DebugMode" to "Verbose" f…

…or enabling command line output on errors

Document Lua plugin functions, bump version to 3.8.0

Set release strings to 3.7.0 for new release

Update config file with new config options, update to-do list in README