Added prependf and push*.
Added prependf and push*.

GitoriousLispBackup/com-informatimago,GitoriousLispBackup/com-informatimago,GitoriousLispBackup/com-informatimago,informatimago/lisp,informatimago/lisp,GitoriousLispBackup/com-informatimago,informatimago/lisp,informatimago/lisp,GitoriousLispBackup/com-informatimago,informatimago/lisp,informatimago/lisp,GitoriousLispBackup/com-informatimago,informatimago/lisp