allowing #T and #F (issue 143)
allowing #T and #F (issue 143)

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