Huh?

[TorOp <torop@xxxxxxxxxxxxx>]

I just upgraded to 0.2.0.17 and didn't see an announcement of 0.2.0.18, 
which I guess I'll install tonight.

Jan 27 10:07:38.882 [Warning] Please upgrade! This version of Tor 
(0.2.0.17-alpha) is not recommended, according to the directory 
authorities. Recommended versions are: 
0.1.2.19,0.2.0.11-alpha,0.2.0.12-alpha,0.2.0.15-alpha,0.2.0.18-alpha
Jan 27 10:07:47.034 [Notice] Self-testing indicates your ORPort is 
reachable from the outside. Excellent. Publishing server descriptor.
Jan 27 10:07:52.652 [Notice] Performing bandwidth self-test...done.

And what's this about?

Jan 27 10:08:00.373 [Notice] Our IP Address has changed from 
69.119.206.101 to 212.112.242.159; rebuilding descriptor.
Jan 27 10:08:01.595 [Notice] Self-testing indicates your ORPort is 
reachable from the outside. Excellent. Publishing server descriptor.
Jan 27 10:08:46.068 [Notice] Our IP Address has changed from 
212.112.242.159 to 69.119.206.101; rebuilding descriptor.
Jan 27 10:08:51.206 [Notice] Self-testing indicates your ORPort is 
reachable from the outside. Excellent. Publishing server descriptor.