stopped user from being able to remove a number that isn't in the list

args.rkt

@@ -1,6 +1,7 @@
 #lang racket/base
 
 (require racket/vector
+         racket/list
          "config.rkt"
          "init.rkt"
          "util.rkt"
@@ -27,7 +28,9 @@
 
       [(and
          (equal? args-length 2)
-         (equal? (vector-member remove-command args) 0))
+         (equal? (vector-member remove-command args) 0)
+         (not (equal? (vector-member "0" args) 1))
+         (vector-member (vector-ref args 1) (list->vector (map number->string (range (length (file->string-list path)))))))
        (remove-item args)]
 
       [(and