+version 1.0pre7 Apr 7 2002
+
+* Don't do blocking read()s when getting a signal.
+
+* Remove RSA key checking code, since it sometimes thinks perfectly good RSA
+ keys are bad.
+
+* Fix handling of subnets when prefixlength isn't divisible by 8.
+
+
+version 1.0pre6 Mar 27 2002
+
+* Improvement of redundant links:
+
+ * Non-blocking connects.
+
+ * Protocol broadcast messages can no longer go into an infinite loop.
+
+ * Graph algorithm updated to look harder for direct connections.
+
+* Good support for routing IPv6 packets over the VPN. Works on Linux,
+ FreeBSD, possibly OpenBSD but not on Solaris.
+
+* Support for tunnels over IPv6 networks. Works on all supported
+ operating systems.
+
+* Optional compression of UDP connections using zlib.
+
+* Optionally let UDP connections inherit TOS field of tunneled packets.
+
+* Optionally start scripts when certain hosts become (un)reachable.
+
+
version 1.0pre5 Feb 9 2002
* Security enhancements: