add dmgetter

Client/src/main/java/DMGetter.java

@@ -0,0 +1,14 @@
+public class DMGetter implements Runnable{
+    private User user;
+    private YouAreEll webber;
+
+    public DMGetter(User user, YouAreEll webber) {
+        this.user = user;
+        this.webber = webber;
+    }
+
+    public void run() {
+        String results = webber.get_DMs(user);
+        SimpleShell.prettyPrintMessages(results);
+    }
+}

Client/src/main/java/SimpleShell.java

@@ -120,8 +120,8 @@ public class SimpleShell {
                 // you need to add a bunch more.
 
                 if (list.contains("dms")) {
-                    String results = webber.get_DMs(user);
-                    SimpleShell.prettyPrintMessages(results);
+                    Thread thread = new Thread(new DMGetter(user, webber));
+                    thread.start();
                     continue;
                 }