Well, one of the most reliable ways is simply to make an file on your system which can be accessed remotely with file_get_contents(); or simply fopen or such. Then, it scans for the texts and if it finds 1.0.1 and then compares it to its own version, I'll notice that it's out of date.

I think that's the best, easy and reliable way.

__________________

"Life is a bitch, take that bitch on a ride"