Skip OK Completed line

src/main.rs

@@ -187,10 +187,13 @@ fn main() {
 
             loop {
                 // check current state of inbox
-                let unseen = imap_socket
+                let mut unseen = imap_socket
                     .run_command_and_read_response("SEARCH UNSEEN")
                     .unwrap();
 
+                // remove last line of response (OK Completed)
+                unseen.pop();
+
                 let mut num_unseen = 0;
                 let mut uids = Vec::new();
                 let unseen = unseen.join(" ");