Makefile, libdelimit: update for including libdelimit in utilities

src/libdelimit.rs

@@ -17,21 +17,20 @@
  */
 
 use std::{
-    io::{ Read, Result, stdin },
+    io::{ Read, Result },
     mem::self,
-    process::ExitCode,
 };
 
 const BUFFER_SIZE: usize = 4096;
 
-struct Delimited {
+pub struct Delimited {
     stream: Box<dyn Read>,
     delimiter: Vec<u8>,
     buffer: Vec<u8>
 }
 
 impl Delimited {
-    fn new(stream: Box<dyn Read>, delimiter: &[u8]) -> Self {
+	pub fn new(stream: Box<dyn Read>, delimiter: &[u8]) -> Self {
         Delimited {
             stream,
             delimiter: delimiter.to_vec(),