This is a little eboot my friend wrote for, well, I'm not really sure why he wrote it, but in a nutshell it allows you to reconfigure devhook while it's loaded.
This means changing:
and other settings
after you've loaded devhook. just copy the eboot into a folder of your choice under 'ms0:/PSP/GAME/' and run from the emulated xmb in devhook. the source is included.
this requires devhook 0.45+