Add 'dvr find' and 'dvr cat' to changelog

CHANGES.rst

@@ -4,9 +4,11 @@ Changes
 Unreleased
 ----------
 
+* Files can now be listed with ``dvr find`` and downloaded (to standard
+  output) with ``dvr cat``.
 * Device can now be rebooted with ``dvr reboot``.
 * System time can now be set using ``dvr time``, using ``dateparser``.
-* The ``dvr info`` tool reports system time.
+* The ``dvr info`` tool reports system time alongside uptime.
 * Connection classes are now in ``dvrip.io``.
 * The ``test_connect`` development script is renamed to ``dvrip_test``.
 * The ``dvr`` tool can now be launched under Windows.