test take today task size return data style
delete has_ancestry
delete parent_id
complete test take tasks size
add I18n load path in spec_helper.rb
create i18n to zh_CN.yml
modify take_tasks_by_date.rb,build return data style
modify take today take size test
modify take today task size test
create build_today_tasks_data_style.rb
delete fail test in task_spec.rb
modify take_tasks_by_date.rb,refactoring take tasks method