Correctly filter out timings below 100 ms

Also known as "Yorick shouldn't write code around midnight".

lib/common_methods.rb

@@ -45,7 +45,7 @@ actions_per_method.each do |method, actions|
     min     = timings[0]
     max     = timings[-1]
-    next if average >= 100
+    next if average < 100
     rows << [method, actions.length, average.round(2), min.round(2), max.round(2)]
   end