# File lib/benelux/timeline.rb, line 182
182:     def merge!(*timelines)
183:       timelines.each do |tl| 
184:         self.push *tl
185:         @ranges.push *tl.ranges
186:         @messages.push *tl.messages
187:         @stats += tl.stats
188:       end
189:       self
190:     end