Add Gemfile with rake
Add gitignore
Add first version of statistic abstraction
Add process to run test on README
Rename test/test_statistic.rb to test/statistic_test.rb.
Move statistic.rb to lib/
Store table generation on result.
Add method to print on terminal.
Implement more assertions(should be separate) on table tests.
Add test_helper.
Implement Rakefile to:
- run tests.
- execute statistic:caculate.