Extended README.md file with references and origins.

README.md

@@ -1,12 +1,22 @@
 autolog
 =======
 
-Autolog is a version of autologout (0.35 Oct 1998)
+This is a modified version of autolog. Autolog itself was branched from 
+autologout in October 1998. The code was not maintained since then, so all 
+modifications will be published here.
 
-A small utmp logging utility for Unix. Autolog aims at disconnecting idle users
-based on the entries in the utmp file. It's behaviour is highly customizable
-through a config file that supports the use of regexps to specify user names
-and groups to act on. You should test it WITH CARE.
+From the original autolog README:
+
+According to David Dickson, the code originally came from the "Wizard's 
+Grabbag" from the May 1990 Unix World. He ported the code essentially
+unchanged. 
+
+Description
+-----------
+Autolog ia a small utmp logging utility for Unix. Autolog aims at disconnecting 
+idle users based on the entries in the utmp file. It's behaviour is highly 
+customizable through a config file that supports the use of regexps to specify 
+user names and groups to act on. You should test it WITH CARE.
 
 The original source code came from ftp.connect.org.uk: