feature: move some fields in parent class
feature: change project structure

use module structure from cache module
feature: fix message for apache
feature: remove commented code
feature: rename _get_content to _parse_file
feature(kohana): remove current_log_file
doc
doc
bugfix: cache key
bugfix(kohana): load log file
feature(apache): optimize parse file method
feature(kohana): optimize parse file method
feature: remove Assets check
feature: change check for not cli

 - add parse_all method
feature: add CLI task
feature: remove log auto load *

  - add Log_Viewer::$_loaded field
  - add is loaded check
  - rename load method
feature: update get_date logic and forming menu
feature: add empty logs exception
feature: remove off cli check
feature: remove get_content_data, get_log methods