update documentation

- update changelog to prepare 1.1
- add missing author
- more info in README
- screenshot

CHANGELOG.md

@@ -0,0 +1,34 @@
+1.1: "Ñìrikarñar"
+- handle local, remote and dynamic port forwading tunnels,
+- different colors for different types.
+
+1.0: "Ereshkigal"
+- python 3.8,
+- fix tunnels detection,
+- fix logging,
+- code formating.
+
+0.5:
+- python3,
+- complete rewrite for portability,
+- handle autossh tunnels *and* raw ssh tunnels,
+- better formatting.
+
+0.4:
+- adds IPv6 support,
+- bugfixes.
+
+0.3:
+- added a via_host field (show on which host the tunnel is build),
+- don't try to show connections if the user is not root.
+
+0.2:
+- update from the deprecated popen3 functions to the subprocess module (need python >= 2.4),
+- html help page.
+
+0.1:
+- command line interface,
+- curses interface,
+- list of active autossh instances,
+- associated active ssh connections.
+