updated argument handler
updated argument handler

aoh/owl-lisp,yuriy-chumak/OL,aoh/owl-lisp,yuriy-chumak/OL,aisamanra/owl-lisp,aoh/owl-lisp,yuriy-chumak/OL,yuriy-chumak/OL,aisamanra/owl-lisp,yuriy-chumak/OL,aisamanra/owl-lisp,yuriy-chumak/OL