Added remove and modify pool functions
Added remove and modify pool functions

The nipap shell executable now supports modifying and removing pools.

SpriteLink/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,garberg/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,garberg/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,plajjan/NIPAP,ettrig/NIPAP,fredsod/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,garberg/NIPAP,plajjan/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,garberg/NIPAP