Gentlepersons, I am not at liberty to explain why we wrote special scripts to limit who could install 3.318.
However, if you have any purchase of Hoster or an upgrade since March 30,
2006, you can download and install 3.318. The email said those who bought 3.310 or later, and 3.310 release March 31, 2006.
If you bought before that date, I don't think you can fault us for asking for a contribution. We spent a large amount on Hoster engineering in 2006 and 2007. March 30 from December 30, 2007 is 21 months. That's almost 2 years of free upgrades.
So be unhappy if you must, but I won't loose sleep on this one. Frankly, we should have changed to 4.0 when we released version 3.314 on January 7, 2007 with the improved import error correction. We didn't for various reasons. But now, we need to limit who gets free upgrades and who doesn't.
Enjoy... be happy... 