lib/metro/events/event_dictionary.rb
def events_for_targets(*list)
      found_events = Array(list).flatten.compact.map {|s| events_for_target(s) }.flatten.compact
      found_events
    end
def events_for_targets(*list)
      found_events = Array(list).flatten.compact.map {|s| events_for_target(s) }.flatten.compact
      found_events
    end
Return all the events for all the specified targets.