- fix one more path
sleep on every N'th event
add hooks for after filter
Allow appname and procid to be format strings.

Handy if your Logstash agent is parsing from multiple application
sources to send to a single syslog instance.
filter to prune fields from events
corrected some rspec tests desciptions
support for fields with array values
Plugins need to have a plugin_status set

Added comment & line for plugin_status