.simplecov in event-bus-0.2.2 vs .simplecov in event-bus-0.2.3

@@ -1,5 +1,9 @@
-require 'coveralls'
+begin
+  require 'coveralls'
+rescue LoadError
+  puts 'Failed to load coveralls. That might happen on ruby < 1.9.3'
+end
 
 SimpleCov.start do
   add_filter "/features/"
   add_filter "/spec/"
   add_filter "/tmp"