More faster!

Performance turned. Try take benchmark with bundle exec rake benchmark.

in my local machine:

pure:
  min: 0.13 max: 0.2 avg: 0.14
blue_print:
  min: 0.25 max: 0.42 avg: 0.282
extend:
  min: 0.53 max: 0.86 avg: 0.597