[dev] hooks

[amith at xalan.com]

| I don't think this makes sense since we're talking about potentially having
| to include many multiple files on every single page load. File includes are
| expensive.

Is there any way to cache these functional calls globally?  So that they get
read in once and stay in memory?  Hooks don't change all that often.  I dont'
even know if this is possible in PHP, but again another random thought

amith