add comment,used single entry

;;; This used single entry
;;; For Example:
;;; (use-modules (artanis artanis))
;;; artanis included ((artanis session) (artanis utils) (artanis db)
;;; (oop goops) (srfi srfi-1) (web uri))
;;; This like Ruby and PHP object class inherit
;;; Ruby For example: class B < A end 
;;; PHP For example: class A extends B {}
;;; This is more like a Ruby module or itself is the use of Guile module characteristic