[wp-hackers] readme.txt: "Requires PHP 5 tag"

[Aaron D. Campbell]

No offense to the PHP 4 users out there, but it's not worth the hassle.

Chris Jean wrote:
> In other words, you could create a small base plugin file that 
> contained the plugin meta-data to register the plugin and contained 
> nothing more than the version check as Otto described. If the version 
> check passes, load the necessary code from another file included with 
> the plugin.
>
> Chris Jean