Moved queue into separate module.

src/message.rs

@@ -1,11 +1,11 @@
 use crate::{
-    data_director::{Include, Path, Register, Route},
     document::{
         definition::DocDef,
         field::{Field, FieldType},
     },
     mtterror::MTTError,
     name::{NameType, Names},
+    queue::data_director::{Include, Path, Register, Route},
 };
 use chrono::prelude::*;
 use std::{